[经济金融] How to talk to sons

Hi I'm Gina. # s* r$ K/ v  i9 n$ I: c$ {9 ]
I'm mother of two wonderful 10 years sons. Their father has left us 8 years ago.
1 j; b9 C: a: `/ l6 Q$ C) dI have a question, maybe some of you can help me? ( \' d8 B5 m* I- p" n0 \
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?
$ b! K0 }& i. Y* I& ?2 {It really bothers me because i've found adult magazine in their room today.
% T0 E. L4 |  q3 D  O7 EShould I talk to them by miself or ask my brother to do it?
  c0 r. S2 W9 ^4 `/ M5 jrs238848.rs.hosteurope.de
% k9 \, c2 J, Q9 k3 N! dHope someone had the same problem and can advise me anything. + j& n; P) W. n9 o
By the way, here is the photo of my sons:
, Q2 Z6 N* E' \rs238848.rs.hosteurope.de
Happy mother of two great sons...