Grab a bottle of water, walk around your block 20 times a day, consume water, recycle bottle or refill it...
Repeat every day.
Walk up and down stairs from lowest point to highest, triple times a day, carrying a bookbag filled with cans of food, adding weight increasement when needed. Start with 5 and go up.
Repeat every day.
Eat light foods and more filling liquids every day, repeat daily...
Should lose something, like your mind if it is OATMEAL you're eating!
TT