good things do not last long
A rare proverb meaning that even delicious food is only tasted for a brief moment as it passes the throat, implying that pleasures are fleeting.
There is a proverb that says, 'Good things do not last long.'
Literally “even delicacies last only three寸 in the throat”: deliciousness is enjoyed only during the brief passage through the throat, an image for fleeting pleasure.