Body is in the Eye of the Author

Do authors write their main protagonists with figures similar to their own?

Many authors write stories for the same reason readers read them and that is as a means to escape. So, if you’re large, do you create your hero/heroine with a smaller physique? Do authors automatically—naturally—create their main characters to be everything they (may) wish themselves to be? Or do they mix it up a bit?

Or do they simply go by what the story--or market--demands?

As someone who has been large all her life, I d