[经济金融] How to talk to sons

Hi I'm Gina. 人在德国 社区- Y  Z. }( W  X( U  i5 H: B
I'm mother of two wonderful 10 years sons. Their father has left us 8 years ago.
' O* ?! n# g: Q人在德国 社区I have a question, maybe some of you can help me? 3 d9 v/ G9 t* w) F* a' H1 G
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? 5.35.249.64# ~- v" r) V9 x/ `
It really bothers me because i've found adult magazine in their room today. 5.35.249.64/ f: j8 H# Q1 \: H
Should I talk to them by miself or ask my brother to do it? 8 e7 l9 M1 a4 b* e" U" G

, O3 B& m; J" L& q- b5.35.249.64Hope someone had the same problem and can advise me anything. / W9 M) V1 g9 y# R) A4 n
By the way, here is the photo of my sons: ) c( I' p5 w4 B3 Z4 B1 E
Happy mother of two great sons...