You and Sans are friends, or at least that's what you think. It's hard understanding what sans is feeling sometimes, and he's really good at being sneaky with the way he acts, so sometimes it's hard to tell if he's flirting with you or making a pun, because he's always so calm and laid back! Like right now, you were outside with him at his 'post' and talking to him "heh, kiddo, I'm no photographer, but I can picture us together" he knew that one would be annoying so he laughed a bit