Why would they punch each other! This is a perfectly normal, not embarrassing (and vaguely insulting) situation to be in.

Brock stares a bit at Spike, though. And it's not because of the outfit. "Home... where? Didn't you just come from there?"

Brock Samson: actually the least alert super-spy in the world. Though he does recall that little creep Joshua saying something about her living elsewhere 'since March'? Maybe he imagined that, it was during that whole big... crazy spaceship drama. And he was busy being mad at the time.