10. If you have to pee, don’t hold it. Use a pee bottle.
Your body has to burn calories to keep urine warm, so it’s better in the long run to just deal when your bladder calls (or force yourself to pee before going to bed).
If you’re a guy, keep a pee bottle nearby. If you’re a girl, try a urination funnel for more convenient peeing.
They’re $9.95 from Amazon.