“Did you make that song up?”
“Well I sort of made it up,” said Pooh. “It isn’t brain,” he went on humbly, “[...] but it comes to me sometimes.”
My favorite quote on how (my) writing works from one of my favorite books of all time, A.A. Milne’s Winnie-the-Pooh

I knew you reminded me of someone!
Yep, that’s me. The pot of hunny on my desk is a dead giveaway…