Ellen Gallagher — American Artist born on December 16, 1965,

Ellen Gallagher is an American artist. Her work has been shown in numerous solo and group exhibitions and is held in the permanent collections of many major museums... (wikipedia)

I do think you can change the past and the present somehow. Even if something has already happened, it doesn't mean it's settled.
There's so much happenstance, so many accidents - stumbling into something and finding it interesting and living with it over time and building on it. It's okay to work from doubt. You need to be willing to not know.
Regardless of your support, you need to make work.
When a writer makes something, it's theirs forever. That is the magic for me.
My work is on the one hand laboured, and on the other completely happenstance and intuitive.