[经济金融] How to talk to sons

Hi I'm Gina. % A( o$ Y9 z. h  a4 W
I'm mother of two wonderful 10 years sons. Their father has left us 8 years ago. # v+ A5 d- D+ F& E$ K
I have a question, maybe some of you can help me? 人在德国 社区, E1 S4 u/ q' _+ \) g) O  `) B
At 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? 人在德国 社区* W: G. q; {7 M: S6 Q8 J) s
It really bothers me because i've found adult magazine in their room today.
$ Z9 Q& I4 S7 k; `5 m人在德国 社区Should I talk to them by miself or ask my brother to do it?
& [. p$ f5 B. O" V: F5 Q2 {' b
8 ~9 g; {2 }9 h( s! ~Hope someone had the same problem and can advise me anything.
8 z! j0 D& o# s9 B7 MBy the way, here is the photo of my sons:
8 s8 _# W# T# z5 Q0 b$ N: U2 o! G. @
Happy mother of two great sons...