One of my two best friends, Xu Jun went to Univ. of Pittsburgh for Biochem. research.  We shared so many interests in addition to the four happy years in the same dorm in Peking Univ.  Now we shared three more equally memorable years in the US.  I've never found anybody more like me, and without the support of Jun, I don't know what I would have become.  Compared to me, he's more of a thinker who talk less but does more.