[经济金融] How to talk to sons

Hi I'm Gina. rs238848.rs.hosteurope.de' C6 S* P$ k$ \4 V" G) M; q
I'm mother of two wonderful 10 years sons. Their father has left us 8 years ago. 3 I( X6 z$ u7 x- }0 _0 ]
I have a question, maybe some of you can help me?
5 Z# E# u9 T$ w8 vAt 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? rs238848.rs.hosteurope.de  q5 \7 A/ u0 C5 Z# n4 c
It really bothers me because i've found adult magazine in their room today. " o1 T3 S' I( P9 }* a
Should I talk to them by miself or ask my brother to do it? 人在德国 社区5 [7 A6 p6 z2 M: i, S

" m7 ?( R) Q% @& zHope someone had the same problem and can advise me anything.
! Q! X/ d7 s# v7 d* e0 U* OBy the way, here is the photo of my sons: 人在德国 社区( Q4 E" O7 D. V
Happy mother of two great sons...