The basic meaning of “to each his own” is that every individual has the right to their own personal preferences. Those feelings allow others their own separate opinions even though someone would do the opposite. Everyone has the right to feeling a certain way or liking a particular thing, but that doesn’t mean the rest of the world will feel the same way.
Another way to explain the idiom can be found in describing the fact that people like their own personal space. “To each his own” can be used to put thoughts to the idea that you want your own space in a situation.
But to each his own
即便近乎不可能
The hardest parts