I think you're right. You usually are.
I don't think he's not but preparing well because he's doting on his girlfriend.
But I am wondering if the crowd he is hanging with are Hollywood glamour types. I don't know. But maybe subconsciously he wanted to make a splash. To get ohhs and ahhs and admiring looks from luminaries. To go from farm-boy to glamour-boy, so he pushed too hard on Monday Night Football.
Sometimes a QB has to be boring. Dink & dunk passes, throw the ball away, throw the ball way, run out of bounds, slide, punt, punt, punt.
You look boring and ineffective, but sometimes you have to.
If I was his coach I'd ask him if he'd rather look boring, ineffective & conservative or if he'd rather look like he did on Monday night.