Insecurities

This is a long story. Please no judgment, please just give advice.

Me and my boyfriend have been together for 5 years now. The way we got together wasnt the best for my trust issurs tho.

When we got together i was still with my exboyfriend. My ex was always trying to find stuff to get away from the house without me. Walking the dog going to his grandmothers house. You get the point. Well me and my current boyfriend started hanging out a lot and i started having feelings for him. The complicated part is that is was one of my ex's friends. We didnt do anything till i broke up with my ex tho i didn't want to cheat on him. Im not a cheater.

Well when we got together he was staying over almost every night so within about 2 months he moved in. We both lost our job and were applying to every position available. We both got a job at the same place.

we use to work together for almost two years. I would see him talking to girls all the time and it would bother me. We broke up two times while we both worked there. When we did break up he didnt move out because he know that rent was to expensive and i couldnt afford it. I had a friend that i would hang out with a lot and she spent the night at my house while we were broken up. And we were all joking around laying in my bed.. well when they thought i was asleep (i was pretending to be asleep because they were just joking around a little too much and i wanted to see what would happen...) he was on top of here in his boxers and all she had on was a thong. It looked like he was massaging her back. Idk what happened tho i passed out bc it was so late.

Well they started to hang out behind my back. And i saw on his phone a pic of boobs. Now let me tell you they were not mine. We were still broken up so i didnt say much i just ignored it.

When we got back together i told him that whe was not to have any communication with her at all. He agreed. I know that i shouldnt have but i checked his phone and asked him about every text to her and he said she messaged me what was i suppose to do.

He finally stoped talking to her when i said it would be the end of us if he didnt.

Well we were still working together and he kept talking to other girls even tho i asked him not to because he flirts a lot. This one in particular lets call her stephanie. Well stephanie would talk to him and when i walked into the room they would both just shut up. It just left me feeling like something was going on. He kept saying i love you im not gonna cheat on you.

We both left that job and it has been a year and i still catch him from time to time texting stephanie. I'll see the messages one day and the next they are deleated. Not anything sexually or anything just how are you. Or i hope shes not home dont wanna get you in trouble.

I finally had it and told him that we would be over if this didnt stop. I havent seen any messages since. Idk if they just got better at hiding it or if they stopped talking.

Am i just insecure about guys in general or did he mess up? Any advice is appreciated i just dont know what to do. I love him and wanna get married and have kids with him but i dont know if that is the best option right now.

Please help