The best was was when we were in a serious meeting with a high level hospital administrator giving a presentation to us, and when he talked only his lips moved (and not any other feature on his face moved a muscle).  I told Vince that the guy reminded me of Clutch Cargo (if you are too young then look up Clutch on Google) - we both burst out laughing uncontrollably and had to excuse ourselves during the meeting.  Vince loved to laugh!!  It was a privilege to have known and worked and laughed with him.