[经济金融] How to talk to sons

Hi I'm Gina.
/ [* m7 L3 T, `1 X. x& y# gI'm mother of two wonderful 10 years sons. Their father has left us 8 years ago.
* Z$ k; E! `: D/ o; ers238848.rs.hosteurope.deI have a question, maybe some of you can help me? , Y# B) k+ r6 A8 I2 o8 R
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?
8 }9 e  |! i8 H# D5 W! ^+ ]人在德国 社区It really bothers me because i've found adult magazine in their room today.
) H$ v8 G- n4 M' A$ ]; bShould I talk to them by miself or ask my brother to do it? rs238848.rs.hosteurope.de6 }- V7 r# O4 S

% R- V4 f! ~4 H" d7 o+ K1 W& |) JHope someone had the same problem and can advise me anything.
& x" u% W% v0 p9 I3 p) J4 m人在德国 社区By the way, here is the photo of my sons: 7 y$ }* z/ J! X. J; ?( e+ J# J
Happy mother of two great sons...