Why sexual differences are discovered only after marriage?

‘Sexual Attraction factor’ in marriage.

Silent sufferings in marriage are avoidable.

In marriage, why you feel lonely.

But, if I don’t keep pressuring for sex, we will never have sex!

If you don’t desire sex you cannot enjoy marriage.

Revitalization of sex life begins with yourself.

My wife / husband does not like sex.

How sexual avoidance is practiced passively.

Options for sexual avoidance.

But, I hate sex. Is marriage not possible without sex?