Maa sab janti hai - joke

5 years old boy ; I Love you mum...

Mum with love : awwww! I Love you too beta

16years old boy : I love you mum..

Mum : sorry ! beta abhi paise nahi hai ..papa se le lena...

25 years old boy : I love u mum...

Mum: kaun hai vo? Kaha raheti hai?

Moral is this : Maa sab janti hai.