<P> In the following episode `` My Brother 's Keeper '' , Elena tells Damon he is the reason she and Stefan broke up and at the end of the episode Damon and Elena finally have sex . After that it turns out Elena is sired with Damon , first they think it is the reason why Elena loves Damon , but in episode `` We 'll Always Have Bourbon Street '' they found out that it only affects how you act , not how you feel . The sire - bond can only be broken when Damon leaves Elena and tells her to stop caring about him according to a witch in New Orleans named Nandi . In the following episode Damon goes with Elena to her family 's lake house to help with Jeremy 's Hunter instincts . In the episode Elena tries to act like a couple with Damon , but he refuses to even kiss her out of his guilt about the sire bond and worry that he 's taking advantage of her . In the end of the episode Damon invokes the sire bond telling Elena to return to Mystic Falls while he trains Jeremy `` O Come , All Ye Faithful '' . Elena kisses him goodbye . </P>
<P> In the following episode `` My Brother 's Keeper '' , Elena tells Damon he is the reason she and Stefan broke up and at the end of the episode Damon and Elena finally have sex . After that it turns out Elena is sired with Damon , first they think it is the reason why Elena loves Damon , but in episode `` We 'll Always Have Bourbon Street '' they found out that it only affects how you act , not how you feel . The sire - bond can only be broken when Damon leaves Elena and tells her to stop caring about him according to a witch in New Orleans named Nandi . In the following episode Damon goes with Elena to her family 's lake house to help with Jeremy 's Hunter instincts . In the episode Elena tries to act like a couple with Damon , but he refuses to even kiss her out of his guilt about the sire bond and worry that he 's taking advantage of her . In the end of the episode Damon invokes the sire bond telling Elena to return to Mystic Falls while he trains Jeremy `` O Come , All Ye Faithful '' . Elena kisses him goodbye . </P>
when does elena and damon first get together
when does elena and damon first get together
`` My Brother 's Keeper ''
`` My Brother 's Keeper ''