<human>: Can you condense the text into three sentences or less?

I've had my ability to trust people completely shattered by exes. I'm 22 and have been in two serious realtionships in my time. Both of the girls that I was with ended up cheating on me and ending the relationship. After the first one ended, I was able to throw myself into various activities to keep myself occupied, and eventually met the girl that I would go on to date until just recently. When her and I first started dating, she knew that I had trust issues, and while they cause issues, I forced myself to trust her. It was the best and the worst decision of my life. 

For the next year and a half, we were blissful, and I knew she was the one. But then she started to act distant, always texting her friends and not really talking to me. I would ask, and she would chalk it up to being stressed about us moving in together. I believed her, even if it felt like something else was up. Then, she decided that she wanted to have some time to herself to, "Pack and get mentally ready for our move-in." Again, I was okay with it, but it really bothered me, so we talked about it. This talk lead to us breaking up because she was so unhappy with the relationship. I was blind-sided to say the least. 

So, we didn't talk for a few days, but we broke NC to get our stuff from each other and sort out some stuff for the house. I ended up asking her about this guy she had been mentioning a lot, and she broke down and told me about her cheating with him. Since then, I've been pretty miserable to say the least, and I'm finding it hard to even trust my family and friends. 

So, how can I start to trust people again after being cheated on in every serious relationship that I've ever had?
<bot>: I only seem to date liars and cheaters, and now don't trust anyone. How do I fix this?