Why do we always go back to our default?

What do I mean by this? default in the dictionary terms means to fail financially. But in terms of creativity, it means to me, your normal, your nature, your baseline, your go-to. And as creative’s, we strive to better ourselves, push the bounders to express or change the way we see and think all the time. So why do most of us, do the same thing over and over again. Why are we so consistent with our default way of creating?