They're not open because they don't want to be vulnerable. It hurts too much. If you get your security from your integrity toward timeless principles, you can still maintain your vulnerability. If you reject other people and new opportunity on the basis of having been rejected, you will build a shell around yourself that will keep you from being loved. One of the lovely things about you is your willingness to trust and to risk being hurt.
Many people face a legal barrier to paying the uttermost farthing.
While protection is prudent in some cases, thinking like a lawyer contributes to future problems. Such contracts may actually contribute to a break-up. They may be realistic, but they're not idealistic. And if we abandon our ideals, we abandon the essence of our humanity our ability to rise above tendencies of protectiveness and defensiveness. Such thinking becomes a causal, contributing force of adversarialism.