Pretty sure the professor appreciates his students for all their assets, regardless of size.

kinkymation said:

... what if Byleth is an ass-man?

Or what if he's a face-man? Edelgard won't lose to Hilda.

Zurreak said:

Or what if he's a face-man? Edelgard won't lose to Hilda.

If he's a face-man, Edelgard's forehead loses by default.