Here are the possible solutions for what happens in stays clue
Answer
Clue
Relevancy
vegas
Clue
What happens there stays there, so it's said
What happens there stays there
What happens here stays here
City that promotes "What happens here, stays here," briefly
"What happens in ___ stays ..."
kennyg
Clue
"For his contributions to jazz, ___ should be smeared with bacon grease, placed in a cage with three underfed Kodiak grizzly bears, and whatever happens, happens." ("Genius Guide to Jazz")