腹も身の内
Meanings
1
moderation is its own medicine; take care of your stomach; don't overeat
Proverb warning against overeating and overdrinking; literally 'the belly is also part of one's body', implying that harming your stomach harms yourself.
As the saying goes, 'moderation is its own medicine,' so let's be careful not to overeat.
I tend to drink too much at parties, but you know, take care of your stomach.