https://en.wiktionary.org/wiki/forbidden_fruit_is_the_sweetest
forbidden fruit is the sweetest
Etymology
A reference to the story in the Bible in which God tells Adam and Eve not to eat the forbidden fruit, but they are tempted and do so anyway.
Proverb
- Forbidden things seem more appealing; people desire things more if (or, in some way, because) they can’t have them.
https://www.theverge.com/news/802486/aws-outage-alexa-fortnite-snapchat-offline