He's getting eaten later, so it's okay.
[ Damon's emotional state at the moment can be described with two words: feelings everywhere. His kiss is passionate, though it's not overtly sexual, nor is it rough. Anyone on the outside might think he was a college boy kissing the woman he plans to marry rather than a 170 year old vampire who just fed on her. Or they would, if not for the blood smeared on both their faces, and the wound that still drips.