I didn't think it was a thing for real, but it happened.
I'm either getting old because they are sagging or some shit, or my dick and balls are getting bigger... You obviously know what the answer is...
Ass Man is the absolute worst position in any company. Shit authority with all the headaches.
Set specific expectations for career progression. You want to take the position to prove you can have your own "store" "team" etc, within one year. You do not want to be a career assistant manager.