The fact that an item was culturally significant wouldn't necessarily prevent Han from stealing something. He's not that honorable. The fact that they're important to Verity might sway him. Risk versus reward is always considered. That all the things in this house are owned by a magic guy that Han doesn't want to mess with is going to go a long way towards keeping him in line.

"I had heard something about costumes." And he came like this anyways. "I kinda figured I'd get influenced into something at some point, but I'd like to be comfortable to start with."

Isn't that really the point of a party? To get together? He's anti-social. This is trying for him.

More importantly, though, he's taking in the little things he hasn't seen in her before. The chill on her skin. The tiredness in her eyes. It's concerning to him. Very concerning. So the kiss that he leans in to place upon her lips might not be the smolderingly passionate type that she's used to. Almost like he feels the need to treat her gingerly.

"Are you alright, sweetheart?"