When Brian was "on" he had an amazing sense of humour, and when Brian would come into the room with the four Beatles it was Brian who was the star. He would light up the room.
He was very good-looking, very well dressed and had this infectious smile. He was filled with witticisms and he could be very funny, and when he started to get funny he became outrageously funny. He was such an iconoclast and nothing was sacred to him.
Then again, when it went the other way, it really went the other way. He was a full roller-coaster ride on any visit.
(Quote from Nat Weiss, The Brian Epstein Story by Debbie Geller, page 111)