This can never be said enough. I know from experience. Men tend to lie when it comes to the baby mama stuff. "Baby I ain't messing with her no more. I'm just taking care of my child. you're the one I want to be with, she ain't nobody." WHATEVER!
No, I have never cheated
Yes, I have been cheated on
No, I have never thought about cheating(what's the point, if you're not happy just end the relationship and move on.)