Sex karne se pehle ling khada rahta h or jayse hi sex karna lagte h ling dwun ho jata h pahle bhi maine apni gf ke saat sex kiya h aysa kabhi nhi hua fast time aysa hua h maine har10 din me try kiya h 3 bar mere shaat aysa hi hua iska kya karan h meri umar abhi 21 saal h