It helps to have a friend who has been thru the same stuff you are dealing with who can be understanding and supportive without being judgmental. I can understand where it would be hard when you had already planned things to do with your child and out of the blue the "dad" shows up and messes things up. The child really doesn't understand any better and of course is glad to see "daddy." It sounds to me like you handled the situation so well, all things considered.