[经济金融] How to talk to sons

Hi I'm Gina.   {- m/ i$ P4 o4 Z6 ^/ ~
I'm mother of two wonderful 10 years sons. Their father has left us 8 years ago.
0 n) t0 e' Q7 ^+ N, d2 y- P- ?6 U人在德国 社区I have a question, maybe some of you can help me? 5.35.249.64# ]3 C9 Q& k3 @
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?
- S6 P, Q( E2 k- c3 Z4 E' T1 H人在德国 社区It really bothers me because i've found adult magazine in their room today. 5.35.249.642 h7 W# h9 M. {
Should I talk to them by miself or ask my brother to do it? ; W- H) l# }6 e( [. M; `

) [6 N5 Q1 n: e: x2 g# y+ |# \- SHope someone had the same problem and can advise me anything. ( K* {, z( J6 @5 P
By the way, here is the photo of my sons: 人在德国 社区4 ~0 ]. U3 P: y9 @  e/ x2 `- J
Happy mother of two great sons...