Hi all new mumsnetter just need a bit of advice been with dp for just over 10 years his eldest son came to live with us when he was 16 for apprentice work he his now 18 we get on well hes a good lad but ahh the but he has now got a girlfriend we have met her a few times she says hello quite pleasant another but but he takes her to his room as soon as they come in we get hello then goodye when shes leaving oh by the the way shes 18 too the biggest but is I have heard them having sex am I being awful by thinking this is a bit out of order I have no problem with them having sex they are both 18 but while me and dp are downstairs and can here them should I say something or just try and ignore it