I smoked for 22 years, 2 packs a day. I'm 5 years past that now with e-cigs. I've even dropped my nicotine from 24mg where I started down to 12mg. Less if I'm using a low resistance RDA/RBA. I wouldn't say my lungs are like a teenager's, they probably never will be, but I am no longer out of breath, and my house…