No one is perfect from day one. In fact most people are crap at whatever they do until, they get better or quit. The key is to just keep trying, and keep trying to do better. This applies to all sorts of creative work, including comics.

Ira Glass talks about this in the context of his radio career:

The You Tube video series that this is a part of is an excellent complement to the comic book Radio: An Illustrated Guide of which Ira co-created with Jessica Abel.