Meaning of the word "stolen kisses are always the sweetest" in English

What does "stolen kisses are always the sweetest" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

stolen kisses are always the sweetest

US /ˈstoʊ.lən ˈkɪs.ɪz ɑːr ˈɔːl.weɪz ðə ˈswiː.tɪst/
UK /ˈstəʊ.lən ˈkɪs.ɪz ɑː ˈɔːl.weɪz ðə ˈswiː.tɪst/
"stolen kisses are always the sweetest" picture

Idiom

a proverb suggesting that things obtained through forbidden or secret means are more enjoyable

Example:
They had to meet in secret, but as they say, stolen kisses are always the sweetest.
The thrill of their hidden romance proved that stolen kisses are always the sweetest.