When a rogue kisses you, count your teeth.
[Ven a ganef kusht, darf men zikh di tseyn ibertseyln.]
[װען אַ גנבֿ קושט, דאַרף מען זיך די צײן איבערצײלן.]
(Other Authors and Sources)
Yiddish proverb
(Source)
Alt. trans.: "When a thief kisses you, count your teeth."
