思う事言わねば腹膨る
Meanings
1
if you don't speak your mind, you'll feel uneasy afterwards
Proverb warning that bottling up your thoughts leads to inner discomfort, like a bloated stomach. The phrasing is classical and not used in everyday speech.
There is a proverb that says, 'If you don't speak your mind, you'll feel uneasy afterwards.'