I am not surprised to hear about David's showering habits. After some of the shows I am sure that he is hot and sweaty (calm down girls) and needs to cool off. I know that sometimes the heat from all the stage light can almost be unbarable. And I know that it is good to look your best just before the show starts so that is probably why he takes a shower before. (Take note for all you magicians on this board: appearance matters! This includes hair combed/styled, shoes shined, teeth brushed, fingernails trimmed and clean, costume cleaned/pressed, etc. Details is what makes a good performer a great performer).
Also, all this talk about showers has got me to thinking, maybe this is one of the reasons why some of the shows start a little and and why he comes out for the first trick looking like his hair is still a little wet!
(I better stop here or someone might accuse me of being Endre. LOL. Although, sometimes his runs much, much longer. It just depends on the subject as well as the amount of sleep he has (or does not have depending on the case).
Tim C