I didn't mind my son seeing me completely or partially nude when he was younger. But, now that he is about to turn four yrs. old, I try to cover up when around him. However, I don't mind if he comes into the bathroom to ask me something or use the toilet, while I'm in the shower. He's at the age now where he has tons of questions for everything he hears and sees. For example, while potty training him I had to explain to him, in a PG way, why girls sit down and boys stand up to pee. With that said, I don't mind if he's in the bathroom while I'm peeing, since I usually try cover things up as much as possible.