My ex husband is coming to pick up our son, i haven't seen him since first of the week when I called his house a girl answered, we have been divorced a year, and he has been telling me he cares for me and that he hasn't been seeing anyone, well I caught him in that lie, I don't know how I should act somebody please give me some advice, our son is autistic and does not talk so he knew he couldn't tell me. Please someone tell me something