[经济金融] How to talk to sons

Hi I'm Gina.
0 [8 V0 Q( }. }人在德国 社区I'm mother of two wonderful 10 years sons. Their father has left us 8 years ago. ! ]' d  o: B4 N& d' L1 V
I have a question, maybe some of you can help me?
8 A4 O( K: X* AAt what age should a parent teach their son about ‘sex’ if there is no father around or would it be better for the kid to have a male family member to do this?
' J5 R4 o& Q  g7 }6 x  p8 |0 IIt really bothers me because i've found adult magazine in their room today. 3 Q, g: O& ?' \8 a, R
Should I talk to them by miself or ask my brother to do it?
4 d8 J! R4 D' |% d8 X2 v2 ~人在德国 社区
' S0 s" ?) p& j0 ~! QHope someone had the same problem and can advise me anything.
4 U. J; s& B7 z; B( V) [5 m. p6 ZBy the way, here is the photo of my sons: 4 _5 {3 N$ D& O4 `; g
Happy mother of two great sons...