I have never been a smoker, so I've never been there, and don't know what it is like

All I can say is that my Dad smoked 3 packs a day, and died at 50.
My Mum, who has never smoked in her life, has lung cancer.
She may have about 6 months left...if we are lucky

I am just trying to say that quitting is a great way to help the world around you.