Should I tell my boyfriend or not?

Say goodbye to old rubbish, move on and find a better relationship.

I wouldn't say anything. Use weren't together so it's none of his business.


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We had been together for ages but I was getting quite depressed because he was treating me very badly. I didn't want to break up with him because he was going through some very difficult personal issues. In the meantime for a year or so I was getting very close to another guy, we would text a lot, flirt and joke around but my boyfriend knew about this and it never felt like cheating (even though in hindsight it obviously was) because I was very open about it and just saw him as a good friend. He ended up staying the night one night when I was feeling particularly low after my boyfriend had mistreated me and nothing happened but my partner found out, went mad and dumped me. After he dumped me I felt a sense of relief as I did not love him or want to be with him. I continued things with the other guy and we ended up sleeping together. We never dated but we continued to see each other for months. Now my ex is back in my life, he appears to have sorted himself out and he says the break did him good. I feel the same and I am ready to give him another chance. However, he says he is really happy that I never met anyone during our break (this is what I told him) and that it is as if we never broke up. If I tell him that in actual fact I slept with the same guy that led us to break up in the first place he will plunder into depression again and probably try and hurt me. What do I do? Do I owe him the truth?