Apologies if this has been covered but I need some advice.
Ds is 17 and has a girlfriend who we were led to believe was 16. Been together for 8 months. When she first wanted to stay over we phoned the girlfriends mum to check what sleeping arrangements she would be happy with and she said it was fine to sleep together. This was some 4 months ago and they regularly stay here at weekends. Today, had a conversation with my DS re exams and it transpires that the girlfriend is only 15 and won't be 16 until October. I am so angry that my DS and his girlfriend have lied but I'm appalled at the mum for not telling us. Now what do we do? I can't just pretend we don't know and if we say they can't sleep here then they'll just go and sleep at her house. Where do we stand legally? and what shall I say to the other mum? I'm so bloody mad at her.