If you have nothing to do, just lie on the sofa (don't worry, it's not easy to gain weight when you lie down, I'd rather lie down than sit) and do cycling.
Stick to it for 3 minutes at a time, twice a day (10 will become thinner after days, and it will naturally become thinner).
Straighten up, put your feet together, slowly stand on tiptoe, keep breathing twice, and slowly put it down, 15 times each time, twice a day.
Clap your hands before going to bed and massage your thighs and calves for 5 minutes every day (Come on, you will see the change! )
Do housework during the break and walk around the room (try to walk outdoors or run outdoors)
I should exercise more myself and pay attention to my diet.
Come on (be sure to stick to it for a month and you will become. . . Please choose the satisfactory answer. Thank you.