be living proof of something/that...
to show by your actions or qualities that a particular fact is true (用行動或品格)證明...屬實

These figures are living proof of the government's incompetence.
這些數字是對政府無能的有力證明.

He plays tennis and golf. He's living proof that a heart attack doesn't mean the end of an active life.
他又打網球又打高爾夫球.一次心臟病發作并不意味著無法過有活力的生活,他就是活生生地證據.

you haven't lived:你白活了
used to tell sb that if they have not had a particular experience their life is not complete.

You've never been to New York? You haven't lived!
你從未去過紐約?你真是白活了.