Sexual selection...

... is subtle and operates on feelings not logic. So much for online dating services or matchmakers! Even more disastrous is the arranged marriage, where the mechanisms for forming unions based on love following matches based on evolutionary principles of complementarity’s benefits in terms of reproductive success, are negated. This may help explain, to a small degree, why Muslims, both men and women, are willing to die for an escape to paradise—their marriages are too miserable to continue with and there is no way out but death.

Family Relationships: An Evolutionary Perspective
Allvarliga konsekvenser av inavel
Why muslim rapists prefer blondes