I found the inconvenient process of writing down the ups and downs of each day in a notebook as well as a few metrics I want to keep at the time (currently what

I found the inconvenient process of writing down the ups and downs of each day in a notebook as well as a few metrics I want to keep at the time (currently what I am eating, my weight, swimming times and runs) helped me more than anything else I ever tried. It takes 5 minutes, I do it every night in bed, and it helps me reflect, I use the time to write down some quotes, ideas, books notes or just anything pleasant that came to mind.