[经济金融] How to talk to sons

Hi I'm Gina. 9 O; r. c; f7 {" I* [
I'm mother of two wonderful 10 years sons. Their father has left us 8 years ago.
6 e& B# ]1 x- b1 \) QI have a question, maybe some of you can help me?
  ]- O, s+ F' K* G) o5 O人在德国 社区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?
( @2 S6 o7 V5 P/ ^7 V$ [$ XIt really bothers me because i've found adult magazine in their room today. ( r* q) R. U! @# G' M* h' }" g1 V
Should I talk to them by miself or ask my brother to do it? ! ~' f+ \! C: ~! N/ S

  }# s7 [3 p) I& A3 h: o! ~6 mHope someone had the same problem and can advise me anything.
' Q& O- L# e, P; ?0 P  k5.35.249.64By the way, here is the photo of my sons:
7 {' }6 O( P# h" G" N8 \人在德国 社区
Happy mother of two great sons...