1
general::
What is good for or enjoyed by one is not necessarily so for someone else. This adage, first recorded in 1576, is so well known it is often shortened, as in Pat loves to travel to remote areas but that's not for Doris? one man's meat, you know. Also see NO ACCOUNTING FOR TASTES.
American Heritage Idioms
2
general::
Phrase(s): One man’s meat is another man’s poison.
Prov. Something that one person likes may be distasteful to someone else. • Fred: What do you mean you don’t like French fries? They’re the best food in the world! Alan: One man’s meat is another man’s poison. • Jill: I don’t understand why Don doesn’t like to read science fiction. It’s the most interesting thing to read. Jane: One man’s meat is another man’s poison.
McGrawhill's American Idioms And Phrasal Verbs