person A: I was dating someone else when I met the man who is now my husband. I thought he was just going to be a friend_comma_ but I eventually developed feelings for him.
person B: Wow. Did the other person know what was going on?
person A: He didn't_comma_ but when I broke up with him I let him know. I never acted on my feelings until we were broken up.
person B: Well that's good. Sounds like it all worked out pretty well.