everything i wanted

I used to have someone who will tell me this:

"As long as I'm here
No one can hurt you
Don't wanna lie here
But you can learn to
If I could change
The way that you see yourself
You wouldn't wonder why you're here
They don't deserve you"

But he's gone.

The details why Billie Eilish wrote this song, is here:

"Billie Eilish’s ‘Everything I Wanted’ Lyrics Contain A Brave Message About Her Mental Health"