Ok so here's the story....

Me and my fiance have been together for 8 years on and off. Not once can I say I have been faithful to her, with it either being kissed someone, slept with someone, or just texting and that sorta stuff. Well it finally came back around to me like karma does and we've broke up. This time I had texted 2 of her friends. One for a kiss the other to actually do the deed. Nothing happened but it was bad enough. I love her to death I really do but I think I have a real problem with being faithful because I have wondering eyes. And its not like Im addicted to sex because i dont have to have it all the time. I just don't know what to do, I'm lost and I can't say sorry anymore because it doesn't work. As it shouldn't I deserve what cards have been dealt. I just really dont know what to do to fix myself. I would love to change and be back with her in the future but I don't know what steps to take. We also have a 6 year old son together which makes it much harder. Any suggestions or what I should do to get help?

Thanks for reading