Another vote with everyone else. Step back, work on you. I just wanted to say that it's possible you don't click with the healthy one because you're wired to be needed. You say that sarah is emotional and Jessica is not...it may just be sarah isn't emotionally healthy and Jessica is. I've been there. I'm a more stoic person myself so I found my exabf's abundance of "love" and emotion really attractive. The guy was a black hole of emotion. We had a bond like no other. In reality he was just really sick and needy and I needed that. Read up on codependency.