Just on a whim. I was never any good at it though, but I had fun all the same.
Digital, I had copies of everything I had ever taken, shared a bunch of the "best" too. Then, I went in one day and deleted all of it.
Sometimes I wish I still had those to go through again. Though, I have the memory of taking all of them. My mood at the time, Life. Work. I remember driving my shitty car without working heat in the middle of Denver winter, setting up and taking what I saw at all times of the day or night. Then running back to my freezing car and shaking because it never warmed up.
The camera broke finally, and I didn't replace it for years and years. When I did, I wasn't able to capture things like I had before. I tried for a while, few years anyway. Now that camera sits on a tripod nearby me, its battery totally drained and pointed at the floor.