I heard that women are naturally attracted to men which appear masculine (wide jaw, muscular body and so on) when it comes to mating with them because they expect them to have better genes. But when it comes to founding a family they rather look for feminine men which are supposed to be more loyal and less likely to leave them. Is this true? If this really is true then does this mean that these instincts are made by God? But I also heard to women automatically change their preferences during their fertile periods, this means a fertile woman is rather attracted to a masculine man. Somehow this reminds me of animals. The females are also always looking for the best male to mate with. Does this mean that humans are the same and in the end it's all about finding out who has the best genes? But somehow there really seems to be some truth about it. Many women are attracted to machos which treat them bad but in spite of this they are attracted to them.