1 larki valentines day per dukandar say: "aisa card hei jismei likha ho k mei tumse aur sirf tumse pyar kerti hun"
dukandar: haan hai..
girl: 2darjan pank kardo...
All da elecTrons were having parTY suddenly proTons aTTacked ThemA herO came & saved da eLecTrons.TheY asKed hero "who r u?"he said "Bond .....Covalent bond"