[经济金融] How to talk to sons

Hi I'm Gina.
/ O9 l  b7 c* B8 z+ E; c5 pI'm mother of two wonderful 10 years sons. Their father has left us 8 years ago. rs238848.rs.hosteurope.de( z2 z# @5 J& ^  B: l8 k
I have a question, maybe some of you can help me? 2 O& ], W& Q1 P
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?
, g, t- V, h) }7 PIt really bothers me because i've found adult magazine in their room today.
' C, }; J" s  h0 Brs238848.rs.hosteurope.deShould I talk to them by miself or ask my brother to do it? 人在德国 社区9 b0 ~7 R8 Q5 K' `. k3 r! p

5 n9 L$ O0 f) C* Q9 k' W7 `; @Hope someone had the same problem and can advise me anything.
& r7 M  x4 y" n) xBy the way, here is the photo of my sons: / p: |7 |2 u/ ]
Happy mother of two great sons...