I currently have sgo and he calls his birth mum mummy (her name) and refers to me as mummy she's now asking me to correct him he's almost 5 and been in my care since he was 3 days old. I don't want him to feel like I'm rejecting him by saying no my names is (my name) he's aware he wasn't in my tummy ect I've never forced him to call me mummy but never stopped him calling me mummy either if that's what he's comfortable with do I stop him calling me mummy??