Can I selectively bum cigarettes from people?
Can you tell me why you want to take other's cigarettes for your own use?
Yes, I don't want to pay for my cigarettes
You have no desire to buy your own cigarettes, but that is being so cheap. If you had to buy your cigarettes yourself it might make you own up to quitting. They cost money, and taking them from others makes you look so needy and desperate.
I will pay for other people's cigarettes when I get paid
I'm glad that you are going to buy them some when you get paid, but instead of taking things from them, let them know what your situation is like. People are more understanding if you are being honest with them.