They just don't have an instruction booklet.

I believe the difficulty is not gender specific when it comes to understanding. To understand anybody it takes time, be it a man or a woman, but yes it is difficult to trust someone, you have to be sure and know the person very well before putting your trust in him/her.

I agree with you. I think it is not difficult to understand them 

Maybe you haven't asked the right question?

I don't think it is diffiecult.......