You can learn all kinds of shit about why idiots smoke, here
http://whyquit.com/
I stopped smoking and got an e-cigarette
If you get one, don't buy the heavily marketed ones
Go to
http://www.e-cigarette-forum.com/forum/ do a little homework
Best course of action is to get away from nic, completely. And what that guy says on whyquit.com is true. You can be off for a long time(decades, even), expose yourself to nicotine once, and go right back to full time use.