you never know what you've got till it's gone
People tend to take things for granted while they are available.
adj
Away, having left.
Are they gone already?
No longer existing, having passed.
The days of my youth are gone.
All the little shops that used to be here are now gone.
Used up.
I'm afraid all the coffee is gone.
Broken, failed.
The bulb is gone. Can you put a new one in?
The car isn't driveable — the steering is gone.
Dead.
Dust, that a breath could blow aside, yet that was once, like ourselves, animate with hope, passion, and sorrow, is below; around are the vain memorials of human grief and human pride; yet all alike dedicated to the gone.
prep
Past, after, later than (a time).
You'd better hurry up, it's gone four o'clock.
contraction
Alternative spelling of gon /gon': clipping of gonna or going to.
Take or be taken. Get yours or get got. It was the code of the streets and I'd lived by it. The way things was looking, I was prolly gone die by it too.