It should be hyphenated.
Yes it should be hyphenated.
Yes it should be hyphenated: well-liked.
It should be hyphenated when it's an adjective.
No. Well above is not hyphenated.
No, well above average is not hyphenated.
Well-to-do is a hyphenated word. The direction west-northwest is hyphenated.
It should be hyphenated when it is being used as an adjective.
Yes it should be hyphenated.
Yes, it should be hyphenated.
Yes, well-being is a hyphenated word.
Yes it should be hyphenated.