Where do baby come from?

So today, after cleaned up sikit.basuh kain seme..me and Adib watching Tv..its about a new born baby..so i just looked at his face..muke berkerut cam pelik agak nya..then he asked me an 'eternal q'.."mummy..macam mana baby ni ader?"..Adib..macam mana Adib ade?...then i was so shocked and impressed..(*dalam hati- Adib ni dah besar)..
Then mummy jawab * "You came from Mummy's tummy."

I just remembered one of my fren told me that her little niece tanya the same q,..kid yang tengah growing up ni semua sama kot.