[经济金融] How to talk to sons

Hi I'm Gina.
. D7 l: l3 O4 p& Y5 ]8 c/ vI'm mother of two wonderful 10 years sons. Their father has left us 8 years ago.
8 R/ v* i; u- V. z& i) D3 r人在德国 社区I have a question, maybe some of you can help me?
* `$ r" P1 L, P3 v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? 人在德国 社区3 F3 {& i! b# o2 R9 h+ G6 h9 d% v, m
It really bothers me because i've found adult magazine in their room today. , M% w/ l: i! I# O# I
Should I talk to them by miself or ask my brother to do it?
% y6 Y* g$ e/ F/ u  W& w5.35.249.64 5.35.249.64- i  Q0 z, j& E* Q" e
Hope someone had the same problem and can advise me anything. - f( A& P2 }5 L' J( \- U
By the way, here is the photo of my sons:
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Happy mother of two great sons...