By the way, masaegu san. How should I say "Once you give up, your life is over" in Japanese?

I just want to take a crack at it before a native steps in and answers. Couple guesses:
諦めたばかりで人生が終わった。
諦めると人生が終わった。

Thanks KyleGoetz san. :)

人生諦めたら終わりだ。