I am waiting

I don't know whats i am waiting but i am waiting. if any one want to help me pl z tell that what's he is waiting. i think that entires are waiting but i don't know whats. waiting is a very interesting word. when we wait train when we wait exams and when we wait for right person ....................................................................we feel a nice pain but i don't know whats. when we see trees who are waiting leafs we can feel that whats pain of waiting but i am waiting.