Why is it so hard to love?

True love was so simple .. so the love between couples of a materialistic as we live, it is not possible, I'm sure nobody really loves q in the course of a relationship, q only enters mundane, or needs to obtain from the other party, and in a way, made ​​us believe slavery ... q need to be supplemented by another person, but as we can get to that .. if not we can not really get to know or ourselves, I q if we do not accept that we are nonmaterial beings ... can not love in the scope and meaning of the word LOVE.