[经济金融] How to talk to sons

Hi I'm Gina.
/ G) {1 y) j& ^' Y1 y) aI'm mother of two wonderful 10 years sons. Their father has left us 8 years ago. / B' G' ], D) M- ?9 h' f' B
I have a question, maybe some of you can help me? ! R. u8 Q9 o* e7 z7 V; ~
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? 5.35.249.647 O' v4 `% [! \8 t5 G4 l" g
It really bothers me because i've found adult magazine in their room today. 5.35.249.645 W4 E0 n, h0 \5 n* j
Should I talk to them by miself or ask my brother to do it?
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Hope someone had the same problem and can advise me anything.
. z4 E; q9 F8 d& d6 ^9 m$ E. J人在德国 社区By the way, here is the photo of my sons:
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Happy mother of two great sons...