T.K.
you took all the good ones!
How about -
Do you like that thing he does with his tongue? I taught him that.
You're much slimmer than he described
So, how do we do this? Do I hand you a baton or something?
I'm looking forward to comparing notes with you on his bedroom skills
If he gets grouchy, J. up his fiber intake.
Have you met his mother yet? You look eerily like her.