My Brother’s KeeperElena connects with Damon as she adjusts to life as a vampire. The couple sleeps together for the first time in “My Brother’s Keeper” after Elena breaks up with Stefan. This is the first time that she chooses Damon over Stefan, a decision she repeats throughout the rest of the series.
Elena reveals in the sixth season the moment she realised she was in love with Damon was in the season three premiere. Elena reveals the first time she felt attracted to Damon was in the first season when they shared their first dance at the Miss Mystic Falls Pageant.