[经济金融] How to talk to sons

Hi I'm Gina.
0 T9 D2 r6 I# ^4 W& `rs238848.rs.hosteurope.deI'm mother of two wonderful 10 years sons. Their father has left us 8 years ago. % n" l3 ?! y6 f
I have a question, maybe some of you can help me?
7 \9 V' }3 O. B" t# t1 [3 rAt 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1 }7 o6 W8 O' `$ z8 T
It really bothers me because i've found adult magazine in their room today. 6 N6 a2 o0 g, \: I9 X7 D- ]
Should I talk to them by miself or ask my brother to do it?
7 J0 A: }" w( ^6 g% @
0 J  E2 |, Q* p1 EHope someone had the same problem and can advise me anything. ( ?- v2 w. S! Q6 W
By the way, here is the photo of my sons: ) N) }( J2 h; g; z3 f
Happy mother of two great sons...