[经济金融] How to talk to sons

Hi I'm Gina.
! \# J5 G1 W+ E: d$ A" A6 Z* E人在德国 社区I'm mother of two wonderful 10 years sons. Their father has left us 8 years ago. 3 G; K2 L5 `5 P. a' u% ]
I have a question, maybe some of you can help me? 人在德国 社区! m8 j7 e- O8 _
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? www.csuchen.de8 }7 [9 l) l6 c9 i
It really bothers me because i've found adult magazine in their room today.
2 v1 }1 J; I2 c' X5 {& J' s3 nShould I talk to them by miself or ask my brother to do it?
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1 l& ]% M% o  O( j; _+ YHope someone had the same problem and can advise me anything. 9 n' A3 w; q8 s7 [
By the way, here is the photo of my sons: www.csuchen.de! M8 M$ C* N4 B; v: I! H! P% y
Happy mother of two great sons...