All you have in comedy, in general, is just going with your instincts. You can only hope that other people think that what you think is funny is funny. I don't have an answer but I just try to plough straight ahead.
My success has been something I've worked a long time at and it's been a gradual process. I compare it to the idea of someone losing a lot of weight over a period of a few years. You don't really notice the weight loss overall but if you compare photos from then and now there's a big difference.
Films have gotten leaner and leaner, cutting out all variations from the story line.