Life explained in a Bollywood Song

Whole Life Explained In One Song !!!

Age 1 to 15 : Naino Mein Sapna.

15 to 25 : Sapno Mein Sajna.

25 to 35 : Sajna Pe Dil Aa Gaya.

35 to 75 : Kyu Sajna Pe Dil Aa Gaya