In the Season 1 episode "My Drug Buddy," they start a relationship, but break up in the following episode upon realizing that they don't work as a couple. They repair their friendship, but it is later revealed that they still have feelings for each other, and they begin sleeping together again in "My Monster." They decide to be "sex buddies" without romantic involvement, but this ends after only a few days, with J.D. realizing that he has deep feelings for her. In Season 3, J.D. again realizes his feelings for her as she rekindles her relationship with an old boyfriend, Sean. Later in the season, J.D. and Elliot sleep together again. Although Elliot initially decides to stay with Sean, she later leaves him to be with J.D. However, J.D. soon breaks up with Elliot after realizing that he doesn't love her after all. In Season 4, following Elliot's brief fling with J.D.'s brother, Dan (Tom Cavanagh), they once again repair their friendship and then move in together in Season 5, after J.D has nowhere to live.