Osama asked from his brother,wots going on in ur life... his brother replied:''kabhi khushi kabhi gham''
wen same question was asked from Osama he replied:'' kabhi atom kabhi bomb''
two frn are talking to each other
1st: kal tumhare pati pipe se apne flat mai ja rahe the.
2nd:haan pairon mai plaster k baad doctor ne unhe seediyan[stairs] chadne se mana kiya hai