So given the choices are between (average + happy) and (pretty + crazy), choosing to be in an averagely happy relationship is a smart choice. Good option for day to day, rest of your life. She will be good mum material too
Because the other option is to be with someone who is pretty crazy.

seen too many pretty mums crazily scolding their kids. Hard for the father to step in too because he will also kenna scolded