Perhaps naively I thought people understand what humor was, that it was invented by the human race to cope with the dark areas of life, problems and terrors.
There are things that Scotsmen get and other people don't get in the dialogue. Scottish characters can be pinpointed by a phrase, targeted very quickly.
I went to the Glasgow Youth Theatre and they just let me in. But I was so shy that I was there for about six weeks without actually introducing myself.