live for

phrasal verb

lived for; living for; lives for

1

: to wait or hope for (something) very eagerly

I live for the day when we'll be together!

2

: to think of (something) as the most important or enjoyable part of one's life

She lives for her work.

3

: to think of (something) as a reason for being alive

He's depressed and feels as if he has nothing left to live for.