I was most happiest as a little kid. I didn't start getting depressed and stuff til' I was like 10 yrs old.
But to be honest, I never realize just how good things were until it's gone. For example, I hated high school. I literrally dreaded going to school. But once I graduated, I realized it wasn't so bad.. I still wouldn't re-live my senior year, though lol. I really didn't like that year.
I don't remember. I've been a bitter freak all my life, even as a child.