To be happy with a partner first one needs to be happy with themselves. If one does not need another to be happy than so why should they pursue love? Why would they not instead pursue other things they crave. Nothing is universally as important as the self. I personally wanted a wife and thus I have said wife. Not because I need her or she needs me, but because we enhance each other. The point I'm making is improving the self is the true key to happiness.