This resolves easily because your premise is mistaken. There is nothing in the Bible that says or suggests that sex is not to be enjoyed or that the enjoyment of sex is a sin. It makes no hint that women who don't enjoy sex are "righteous and proper." So I don't know where you got this information, but it just ain't so. C.S. Lewis quips that there is anything wrong about sexual pleasure any more than about the pleasure of eating. It means that you must not isolate that pleasure and try to get it by itself, any more than you ought to try to get the pleasure of taste without swallowing and digesting, but chewing things and spitting them out again.

The Bible would certainly object to women being used as sexual objects, sexual toys, or for sexual abuse, but there is nothing in the Bible that would say it's wrong for a married couple to get pleasure from their sex.

Many religious persons seem to regard women who enjoy sex as sluts, or other derogation, but women who don't enjoy sex are righteous and proper.

But if this is so then the men who sleep with the righteous and proper women who don't enjoy sex are rapists because in order to get someone to do something that they don't enjoy you must force them and last I checked forcing someone to have sex is rape.

How does this resolve?