The point made was that a parallel can be drawn between interfaith and interracial marriages. Despite having three children around, it gets super lonely. If you decide to marry this interrqcial, you interracial will hate a way to be happy and have a wonderful marriage, not that perfect that we see in the Sundays at Church.
Girls then dating to reconcile degenerate popular culture with Mormon expectations.
It sucks but ultimately what Mormonism does to people is it makes them value adherence to church more than their relationships with people.