Re: Kum bachchay khushal gharana" (fewer kids, more prosperity)
Narrated Jabir: We used to practice coitus interrupt us while the Quran was being revealed. Jabir added: We used to practice coitus interrupt us during the lifetime of Allah’s Apostle while the Quran was being Revealed. Bukhari Book #62](http://www.paklinks.com/gs/usertag.php?do=list&action=hash&hash=62) , Hadith #136](http://www.paklinks.com/gs/usertag.php?do=list&action=hash&hash=136)
Ab, if you don’t trust the Hadith then I can’t help with that.