Such usually give up after the phrase "mam, if you do not like the girls I choose - choose yourself". The next candidate is well suited.
Although what religion prevents me from choosing a girl who would like my mom, I don’t know...
— — —

Fuck they don’t give up! The only way is to make her suspect for a while that you like guys... Then there is a chance that any girl will like her ;-)

And on the second point - suddenly, some guys want to choose a girl for themselves, not for their mom...