The Grass is Greener

Why the grass is greener in others' lives than mine?
Sometime the fell is so bad that make me depression. But it give me a force to change my life at the mosttimes.
My life is too bad ? I can't give me a right answer. But I kown 'too bad' is a figue of speech. But the life is not in my mind.
I think I am going to exhaustion. The Grace life is no like this.
I must change it! Change it! Change it!!!