There really wasn't a good excuse for freezing up, so when Tony finally focused back on Bruce and not the casual summoning of a goddamn bull to run the room or the things lurking just out of sight but definitely still there, he went, "Uh..." Then, eventually, "Sorry. I wasn't expecting that. I was thinking about, you know, the werewolf thing, and I think it actually makes a little sense because I never see you-- and she, the spell, I didn't build it to sense creatures, it's, it's architectural--what did you mean, you called her 'Friday', what's that about?" Did muggles give days of the week personalities?