Variable Performance Happiness

I remember the joy I experienced when I found out that I had landed a job at Infineon. Some guy at the hostel came up to me and told me that two guys were through and I was one of them.
I was incredulous, and walked to the placement block in the hot afternoon. After searching the display boards for a while, I found it. There it was- the key to my happiness - my name in bold along with Saurabh's. The joy I felt that day I remember. I could even say that I was happy.

"The dissection of happiness"

I wonder what was it that made me feel that way, or what is it that makes me happy.
I wonder coz it would great help to know in which direction I should be headed towards.
Doing something extra-ordinary always has made me happy and so has doing something creative. But beyond that I am not sure. Winning makes me happy, so does eating exotic food.
Company makes me happy and so does intellectual debate. A full day of doing very diverse stuff makes me very happy. Like ...

"Hey Ori! Why dont we hit the ice skating rink after your performance at the wembley stadium?"

Or

"Hey Ori! I know flying around in a fighter jet can be tiring, but why dont we spend the rest of the day climbing all the stairs in the petronas towers?"

I am crazy right? perhaps, but these rising expectations of what is the minimum threshld to tickle me is very frustrating to keep up with...