In other words, you're suspicious and you don't trust anyone.

I could not be in a relationship with someone who was constantly suspicious that I was going to replace them with someone better. And I used to be that person, and I'm very glad I'm not anymore. It was tiring and draining.

What's in it for your SOs to be in a relationship with someone who's constantly second-guessing their motives and refusing to accept a positive explanation?