Meaning of the word "there is truth in wine" in English

What does "there is truth in wine" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

there is truth in wine

US /ðɛr ɪz truːθ ɪn waɪn/
UK /ðɛər ɪz truːθ ɪn waɪn/
"there is truth in wine" picture

Idiom

a person under the influence of alcohol is more likely to speak their hidden thoughts and desires

Example:
After a few glasses of Merlot, he finally admitted he was unhappy; I guess there is truth in wine.
He told me his secrets while drunk, proving that there is truth in wine.