The process of finding a new mate is both simple and stupid: find Y that does not resemble X. What was tall becomes short. What was blonde becomes brunette. What was work-oriented becomes fun-loving. Relationship IQ plummets. Suddenly, we don't know anything except that what we last picked was a failure and we're willing to try anything else. Anything.
You think, "Maybe I was wrong about my type." But you're not. Eating a shitty apple doesn't mean you don't like fruit. You may need to stop buying it from Jewel, but it doesn't mean you should stop eating produce.