Has dis happened with any married man.....?...?

well...i just read somewhere...one guy has been married for 10 or 12 yrs. he has 3 kids,,dat he loves so much. but one day his wife tells him dat the 3rd son is not his. the kid is from her affair. i can only imagine wat goin on thru. his mind,,and hw he is gonna react on dis? has dis happened to any married man ? or to anybds frnd?....if yes...tell me hw did he react?...if u dont mind..!! i knw its not an imp. question...but i cant stop thinking about dat guy....!!!