[经济金融] How to talk to sons

Hi I'm Gina. . K- Q, S& d9 ]
I'm mother of two wonderful 10 years sons. Their father has left us 8 years ago.
- p0 E( ^/ o# `% v1 A; \( w4 II have a question, maybe some of you can help me? , g# {* _% G. E4 S. I! h
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? 人在德国 社区# u8 v2 B* M2 v0 Y: ?9 p
It really bothers me because i've found adult magazine in their room today.
& s& w0 @5 p( g6 v) U- M% @0 e/ gShould I talk to them by miself or ask my brother to do it? ! t+ G0 L; S) ^" m: G

6 b. K3 j! K, A5 C- o, IHope someone had the same problem and can advise me anything. / K+ B3 [4 H0 S+ x" T' T$ t; h
By the way, here is the photo of my sons: : e9 b8 d7 J8 b
Happy mother of two great sons...