Anybody ever just feel crazy??

My partner and I are engaged, and are expecting a baby.. now I don’t know if it’s the change in my hormones or what, but for some reason I feel really strange. I was on my partners phone as mine had run out of battery, and saw that a girl had messaged him and asked him out. He politely declined, but I scrolled further back and saw that before we were together they had hooked up. Now he hadn’t told me about her, and again I don’t know if it’s the hormones, but it really upset me for a good half hour! Now I just feel crazy that it upset me, I mean it was before we were even together so it doesn’t matter! Ugh. Please tell me other ladies have crazy moments like these too?😭