Do they both say that the Braisa is talking in the case of 1 Meyavem and one lady or can the Braisa be talking only the case of multiple women?
They don’t specifically say; it can likely be talking about either case. (The beraisa happens to use loshon yochid).
The guy usually doesn’t care how young the girl is.
He should. Although he may need to be makpid on her ability to have children, why should he get involved in a marriage which can easily be filled with ketotah?
Ok, so at what point, acc. to you, does she have to settle on an older man before she is considered being Mevatel the Mitzva? 40,45,50?
Good question. I guess there’s some type of sliding scale, with a larger age discrepancy as she gets older (in which case a larger separation in years may not indicate as large a discrepancy in maturity as when she was younger).
I hold -by 22 she is Oiver because if there was s/o who wanted her -she would have found him in the last few years.
I think that’s way over the top.