I keep records of feedings, refusals, sheds, weights and poop! I was advised when I got my first snake that it was good to have that information on hand if I ever had to take him to the vet. I thought about it and decided that it was indeed, something I thought I should do. So I do! I do get off here and there and forget to record stuff sometimes, but my records are around 95% accurate and complete for both my snakes!