First Entry in Dealing with Relationship Trauma

I don’t know if this is universal but since corona/working from home I am having a much harder time feeling secure in my relationship. At first it was the opposite. It was.. oh hey, we will be home together all the time, this will help me see that he is not cheating and that I have nothing to worry about. And then that backfired. I started to over analyze everything that he was doing. Every time he wanted to leave the house by himself I got in my head and thought of the worst case scenario. That he was going to see/call her. I feel stupid because of course I want my husband to be able to be alone and have his own time.. but it always brings out this huge insecurity in me. There have been several times where I have thought about throwing in the towel and just going to stay with my parents… and calling it quits. I’m so scared because I have a history of staying in relationships until the other person leaves, even though I have many more reasons to leave. It makes me feel like I have bad judgment and shouldn’t be trusted to follow my instincts. On the other end, we have been able to be pretty happy together during this time. Its a real mind-f*ck because I cannot tell what is real, and what I should do.