” if he cant find a rov [btw if he is married he better find one ASAP] he should refrain from eating pizza until he finds a rov.”
That’s ridiculous. If he knows how to learn up a sugya and can come out lemasseh then let him do that.
“Asei lecha rav!”
We don’t pasken straight from Pirkei Avos besides the fact that there are various interpretations as to what it means.