Sir jb me apni girlfriend ke shaat sex krta hu to me 1 round me hi thak jaata hu dusre round me bhi thoda bhut ho jaata hai fir sahi se penis khada nii ho pata hai..or timing issue bhi bhut hai jaldi ho jaata hai 1- 2 min me sperm nikl jaata hai... Ye timing kese bhadegi sir iska koi solution hai to bataiye sir ..plsss