[经济金融] How to talk to sons

Hi I'm Gina. www.csuchen.de  P0 K; ?5 Z2 C. N; Q0 l2 y5 ^" G
I'm mother of two wonderful 10 years sons. Their father has left us 8 years ago.
+ r7 n' Z3 }; ?* M8 Z& Y; O人在德国 社区I have a question, maybe some of you can help me?
9 V+ T: |* g1 B人在德国 社区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?
: j% K1 @9 j$ H" R! b人在德国 社区It really bothers me because i've found adult magazine in their room today.
0 A6 w$ }8 ]  A" I, u7 l; `% XShould I talk to them by miself or ask my brother to do it? www.csuchen.de" h5 h" @" F5 h. X& @! {5 `& D. S8 _
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Hope someone had the same problem and can advise me anything.
) D/ L1 B9 P" E2 P0 `4 m' u, V6 S% owww.csuchen.deBy the way, here is the photo of my sons:
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Happy mother of two great sons...