Oh fine, if he has to, he'll tolerate it. Once Dick lets go, he steps away and turns around to face him so they can have an actual conversation, but stays companionably close. He does this for you, Dick.

"I guess I sort of... forgot, until I looked at the date. It's a little weird here, too, with jumping along the timeline and everything - is it really my birthday if I'm not a year older because of that?" Oh god time travel.