the fact that you're only 18 and smoking that much is depressing. does it not occur that there is life to be lived, especially given the weather. people i know who'#ve finnished their A levels and fancy a smoke, well they go outside, toa field, in pilton, called glastonbury festival. just sounds like dull as shit imo, sitting around with your girl doing nothing but eating and getting out of your head, way to embrace life. i am a manic smoker, yet i can understand when things are a little bit silly.
if it's really how you enjoy spending your life then fair enough, go for it, i have bad habbits as well, just seems like a total waste.