I asked God...
I asked GOD: Let all my friends be healthy and happy forever...!
GOD said: But for 4 days only....!
I said: Yes, let them be a Spring Day, Summer Day, AutumnDay, and Winter Day.
GOD said: 3 days.
I said: Yes, Yesterday, Today and Tomorrow.
GOD said: No, 2 days!
I said: Yes, a Bright Day (Daytime) and Dark Day (Night-time).
GOD said: No, just 1 day!