"I'm 18 now and she told me she would wait until I was 18 to do the dating thing again. I mean, I'm still not cool with it, but I guess I'm going to have to be. My mum's still got to have a life." Justin Bieber is not looking forward to meeting his mum Pattie Mallette's boyfriends as she returns to the dating scene after an 18-year absence.