[经济金融] How to talk to sons

Hi I'm Gina. . ?, G/ r. n  y4 L3 y
I'm mother of two wonderful 10 years sons. Their father has left us 8 years ago. 4 F" ~$ X2 R) }* h2 R6 ~6 d- t
I have a question, maybe some of you can help me?
/ x* j5 u2 f- {5 eAt 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, Z1 K7 v; u, Y2 I( o5 t
It really bothers me because i've found adult magazine in their room today. 人在德国 社区5 h* }+ h4 f8 [: @
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.
9 B5 {4 q2 f8 v; }$ F) x$ q& [, qrs238848.rs.hosteurope.deBy the way, here is the photo of my sons:
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Happy mother of two great sons...