If you get a book which is 600 pages, you have to reduce it to a script of 100 pages. In two hours of film, you cannot possibly include all the characters.
A lot of comedians, when they have a bad gig, will blame everything but themselves. They'll blame the crowd, or the room was wrong, it had a weird vibe, or the promoter promoted a weird atmosphere.
Sensorial perception, for example, certainly occurs with greater or less accuracy according to the degree of interest; it is constantly given other directions by the change of external stimuli and by ideas.

