I recently just found out that my boyfriend cheated on me 7 months ago whilst he was on a cruise in Europe with his friends. He kissed a girl whilst high on mdma at a festival. He then said he felt so guilty and planned to just never tell me and try and forget about it forever because it apparently meant nothing, but the girl found out that he had a girlfriend (social media) and was questioning him about it and he told her I was an ex (because he didn’t want her to tell me) after this he said he played into it and tried to make it seem that he was single and liked her somewhat because she was interested in him and he said he was just trying to get her off his tail about me. He kissed her another time after that because apparently she was still suspicious. She ended up really liking him and wouldn’t stop messaging him after the trip and he said he was just playing along so she wouldn’t message me and that he would truely seem single and into her. The thing is he acknowledges that the whole thing was fucked and he said that first initial kiss meant nothing and he knows that there was no excuse for that first kiss. But he insists he never wanted it to go further and he just had the worst anxiety that she was going to tell me. He says after that he just got too in deep with making sure she didn’t message me.
When I found out I was so in shock it is sooooo unlike him, we’ve been together for 5 years, and I know he really truly does love me and he treats me so well.
Should I get over this? Am I dumb for thinking there’s truth to it? Idk what to think, we’ve been together for so long and he’s never done anything like this. I’m so heartbroken but I want to forgive because we both really do see a future together.