Where ever we stand as artists, where would we be if we did not entertain the idea that at some point we will get better. And so, we accelerate ourselves when we take the unfamiliar and 'go for it'. This is the metamorphism of the artist... the... okay! enough of the philosophical gobble de goop!
Reason #3 to stay inspired is the work of Trish Biddle. If you google her you will see that she has quite a large body of colorful, thoughtful, beautiful and varied work.