Come back to eat some fruit at night, then start bending dumbbells until you are exhausted, otherwise you won't be able to shake stubborn muscles, then do sit-ups 100 to 200, and finally eat something (preferably high-protein cereal, milk, etc. Don't eat too much), 10 minutes later, or practice until you are exhausted and lie on your back.

Rest and don't practice the next day.

It will be more difficult to come back on the third day.

Note: Always mix exercise time to stimulate muscle growth.