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|“|| "Do you...Do you still?"|
"I do. I do still love you. I do, I do still love you."
Jackson and Lydia had been dating since before the start of the series and were seen by most students at Beacon Hills High School as the popular couple at the top of the school social ladder. Jackson and Lydia seemed to be at least a moderately stable couple; however, there were underlying issues between the two that did damage their relationship. This began with Jackson's need to be the best at everything he tried, his cocky and egocentric attitude, as well as the fact that he occasionally blamed Lydia when something went wrong with him.
In addition to the personal issues that Jackson had, Lydia also had her own problems in the relationship; this included the fact that she had to conceal and hide her true intelligence as a result of Jackson's inferiority complex, causing her to act more ditzy and dumb, while at the same time Lydia seemed to only stay loyal to Jackson as long as he was the best at lacrosse and seen as the most popular jock in school.
In Wolf's Bane, when Jackson found out that Scott McCall was a Werewolf, he coveted the new superhuman powers that Scott possessed and set his sights on becoming one himself. In pursuit of this goal, Jackson proceeded to break-up with Lydia via text, with the intention of "removing the dead weight from his life" in preparation for his transformation. Although Lydia tried to shrug it off as something that didn't bother her, it was clear that she was very hurt by Jackson's actions. The two weren't seen interacting until the school dance, with their respective dates (Allison Argent in Jackson's case and Stiles Stilinski in Lydia's case) and it was clear that the two were not on the best of terms. However, this did not stop Jackson from saving Lydia's life after she was attacked and bitten by then-Alpha Werewolf Peter Hale, an act for which Lydia was immensely grateful despite Jackson's cruel behavior toward her after the fact.
In Season 2, Jackson and Lydia were both suspected to be the new reptilian shapeshifter terrorizing Beacon Hills and killing numerous twenty-four-year-old former Beacon Hills High School students, though it was eventually revealed that Jackson was the creature. Meanwhile, Lydia was suffering the side-effects of her mind being haunted by Peter Hale's spirit and the awakening of her own supernatural powers from his Bite. When Jackson started to become aware that he was being controlled by a Kanima Master who was also a fellow classmate, he tried to distance himself from Lydia to protect her. However, it was ultimately Lydia who saved him by calling out his first name with her voice and giving him back the key to his house that he gave her months earlier, which acted as a symbol of their relationship. Not only did this bond bring Jackson back to life after he was killed by Derek Hale his recently-resurrected uncle Peter, but he also came back as the Werewolf he was meant to be, albeit one with Kanima traits. Due to the significant amount of attention his deaths and resurrection caused in the town, Jackson and his family moved to London, England, causing Lydia and Jackson to end their relationship for good, though they seemed to do so on good terms.
In Season 6, Jackson and Lydia reunited for the first time in over a year when Jackson returned to Beacon Hills from London after he heard about Tamora Monroe and Gerard Argent's Hunter army going after supernatural creatures around the world. During this reunion, it was revealed that Jackson was in a romantic relationship with Ethan Steiner, a fact that caused Lydia to remark that she thought he would never figure out that he was romantically interested in men. Jackson remains an ally of the McCall Pack, of which Lydia is a member.
Throughout Teen Wolf
In Wolf Moon,
In Pack Mentality,
In Magic Bullet,
In The Tell,
In Heart Monitor,
In Night School,
In Wolf's Bane,
In Code Breaker,
In Shape Shifted,
In Ice Pick,
In Party Guessed,
In Master Plan,
In Tattoo, Lydia Martin attempted to get Allison Argent to come with her on a double date. During their drive, Lydia revealed that Jackson had moved to London with his adoptive parents following his very public deaths and subsequent resurrections before adding that he made sure to learn
In De-Void, Lydia accompanied Scott McCall into Stiles Stilinski's brain through the Werewolf Memory Manipulation ritual in hopes of freeing Stiles from the influence of the Nogitsune who was possessing him. However, the Nogitsune attempted to fight back against them and prevent them from fulfilling their mission by separating Scott and Lydia and trapping them in their own memories in hopes of distracting them from what they intended to do. Lydia's memory was of the winter formal in Season 1's Formality, where Lydia, now wearing the same blood-soaked dress she was wearing after she was attacked by then-Alpha Werewolf Peter Hale. She began rushing through the hallways of the high school, calling out for Jackson, who she was looking for before the attack happened, not realizing right away that the memory wasn't real.
In Broken Glass, Lydia Martin had a premonition one night while she was sleeping; as she tossed and turned in bed, she murmured, "Where is he?" several times before awakening and immediately asking "Where's Jackson?" This was a premonition referencing Jackson Whittemore and Ethan Steiner's capture and torture by Monroe's Army of Hunters, as Ethan had just demanded to know where Jackson was after Nolan Holloway and Sydney brought him back into a cell at the Argent Arms International facility.
Later, Lydia was approached by the Werewolf Peter Hale, who was looking for his daughter Malia Tate while Lydia was looking for her friend and Alpha Scott McCall. After some urging by Peter, Lydia reluctantly confessed that she had a premonition that Peter, Jackson, Ethan, Derek Hale, Malia, and Scott were all petrified into stone by the Anuk-ite and implied that it seemed that Jackson had returned to Beacon Hills.
In The Wolves of War, after Gerard Argent revealed to the McCall Pack and their allies that Jackson had, in fact, returned to Beacon Hills and was currently being held captive at Argent Arms International, the pack regrouped at the Beacon Hills Animal Clinic to decide how to proceed. Stiles Stilinski and Lydia were tasked with rescuing Jackson from the armory due to Lydia's success in Banshee screaming through the reinforced steel doors.
Once there, Stiles and Lydia found Jackson hiding in the hallway after having used his Kanima tail to break free from his restraints. Lydia was ecstatic to see Jackson and immediately squealed happily before launching herself at him after over a year without seeing one another; Jackson, too, was relieved to see her and gave her a big hug, much to Lydia's new boyfriend Stiles' displeasure. Jackson was in awe of the fact that Lydia managed to incapacitate all of the Hunters in the building with her Banshee powers. Just as Stiles suggested that they get out of there before Gerard sent in reinforcements, Jackson insisted he wasn't going anywhere without Ethan Steiner. Lydia and Stiles were initially confused by the fact that Ethan and Jackson came back to Beacon Hills together until they released that they are now in a romantic relationship; though Jackson appeared to be bashful of this news, Lydia sighed in relief and stated that she thought Jackson would never figure out his attraction to guys.
After rescuing Ethan, Stiles split off from the group to grab Mountain Ash for Scott McCall's final plan against the Anuk-ite, leaving Lydia, Jackson, and Ethan to head to the high school to help the pack. When the appearance of the Anuk-ite and its fear-inducing powers forced the trio to shut their eyes, Lydia was separated from Jackson and Ethan, ending their on-screen interaction in the series.
- Jackson and Lydia were each other's first romantic relationship shown in Teen Wolf, though it's unknown when exactly the two began dating.
- Despite the issues and problems they both had in their relationship, at the end of Season 2, Jackson and Lydia seemed to have genuine affection and love for one another.