[He's had that weird feeling of being relieved that the visits came and went without anything too bad happening. Aside from some awkward conversations and dealing with Penny's hate of everything, of course, but it could've been a lot worse.
Maybe in one of those travelling jumps, Penny ends up at the Potions Shop almost giving Q a heart attack.]
Shit...! [Which is why it takes a second to register that hey, you're there.] You're back?