Search Results: sleeping with my best friend's brother

Me and my fiance have been together 4 years, we got together just before we turned 16 and were best friends for 2 years before that. He cheated on me 2 months into the relationship but told me a week later. For a long time I was angry and we had to work at it for almost a year as I couldn't let it go but I'd chosen to forgive him because I love him. The way I was with him was awful and the fact he stayed with me proved to me he loved me. So a year later I found messages to said girl asking for her number and saying I'd moved out. When I confronted him he said he was trying to set her up with his brother, who was a bit down on his luck girl wise and he'd told her I was moving out so she wasn't scared to talk with him, which I believed too as I gave her quite a bit of hell for her sleeping with him and we'd just gotten on good terms. We worked through this, I felt betrayed because it was her but I believed him and we moved on. Things were good for a while but then we started arguing again, he kept saying we should part ways as we were too young to be so serious. But we worked through it once again. After this blip things were great for a long time. Then when I turned 18 I started going on nights out and he got jealous, he broke it off with me so I went out, got drunk, kissed another guy but felt awful about it straight away and told him. We worked through this as well but it was very hard for him. I found messages a few months later to girls after I'd told him that moaning about me and flirting with them. But I also found one to his previous work friend apologising for trying 'it' and thanking her for doing the 'right thing' this was months before any of this had happened so I was shocked. We argued again but after that things were plain sailing and we treated each other well and everything was great, he proposed to me early this year and it's been amazing ever since. So my question is, does this mean he will commit to me now?