an army marches on its stomach

(idiomatic) to get hungry

even if one says

breakfast

tight / reliable

stable, fulfilled

be fast, securely in place / be reliable, level-headed / keep going, keep trying

to eat / (archaic, humble) to eat or drink

fast (in a firm or secure manner), tightly / surely, unwaveringly, steadily, reliably

To be reduced or decrease in size or quantity; to become fewer