[Which rolls off him like water off a duck's back, despite his amusement. He knows you've always had a sense of humor, and here you are! Using it! In normal life!]

Dunno if you can really call it 'time away.' Obviously, you left and came back ahead in time; Omi left and came back backwards in time; you all told me Ken did too, long ago; and Sena left and came back with no passage of time at all.

One of these things is not like the others, and I'd rather not emulate his example.