From ET Online:
ETonline: Does hearing Elena say “I Love You” to Damon change Stefan’s feelings towards her?
Wesley: Yeah, it’s natural that they would. And I’m excited for the fans to see this new permutation of their relationship because I think it was becoming a little bit redundant. They moved to a very platonic place towards the end of season three and to be honest, I didn’t see it as a love triangle anymore. They really became friends in my eyes, so to have something thrown in that’s totally bizarre — like being at the bottom of a quarry, drowning over and over — is cool because it throws in another variable that can stir things up and maybe lead to a weird new romance.