A sizable portion of the dating pool is made up of people who think that all of the people they meet and date are untrustworthy, shallow, selfish, and manipulative. Yet, as I’ve written previously, if all of your relationships end in psychological ruin, then that says more about you and less about the opposite sex (or whoever you’re dating). Your sample size sucks. And your ability to choose a romantic partner sucks. There are millions of attractive, confident, emotionally stable,…