Boaster! Kek you…
Trump pats Vlad in the back as if to say 'Thank you" - Vlad responds by touching in the arm; 'You are welcome' .
Potus tuns to Melania and gets her undivided attention.
It's not a smirk, it is an empty public goofy smile.
POTUS - not a grimace, it is the brain processing heavy duty info.