Hey Mole, I'm in the same boat as you. I've been a smoker for a couple decades, and I've quit a number of times. Always started back up again. This time, however, I've just 'stopped'; I'm not going to jinx myself, and I'm definitely getting a lot of help from the pipe. Hopefully it sticks.
I had my last cigarette about 6 weeks ago, with a head cold so bad I would have liked to detonate small amounts of c4 in my sinuses just to clear them. That and the fact that I'm schilling out $12.75 and up for something that tastes and smells like rat dung just weren't making sense anymore. I've varied between a half a pack and 2 packs a day for the last 22 years; this last year I've been steady at a pack.
The cold helped me avoid the intense first-week withdrawal, thankfully. The rest I just left up to stubbornness and drinking a LOT of water to flush my system. Supposedly nicotine is out of your system in ~72 hours; the other 427 chemicals that Big Tobacco sprinkles in--who knows? Also your taste buds replenish themselves in a week or so, biologically speaking.
After 3 weeks I was already feeling like a new man. I wasn't constantly tired and feeling just...drained. It was then I started to notice that I could smell and taste food like it was something enjoyable again. I *love* it. I find myself turning my head at a woman's perfume in the winter, noticing yummy baked goods from half a block away, and being in the grocery store is almost sensory overload.
After 4 weeks I decided it was safe to pick up the pipe and enjoy a bowl again, not because I was craving a nicotine fix, not because I was stressed or had nothing else to do or because it was part of a routine. I just wanted it, thought about it, and said it was ok for me to do.
My tongue feels a bit tingly and coated after a smoke, but I'm doing pretty good at avoiding bite. I notice that I can taste the smoke, which is quite enjoyable and altogether unlike smoking a cigarette (where every one had me thinking WTF is this doing in my mouth??). My tongue carries the taste with me for a couple hours maybe, and after that or a meal it doesn't linger. I'm keeping the pipe to a comfortably occasional one right now--I've promised myself no more than one or two (ok, maybe three) per week, just so I don't lose the faculty of my taste and smell again.
All in all it's much more pleasant right now--my house and clothes don't reek of rancid cigs, and I enjoy the smoke and a bit of nicotine more on my terms. The best thing is that in those times I have had a craving, either for nicotine or just the habit that I had, I can keep my resolve not to have a cigarette by looking forward to an enjoyable and flavorful smoke in my pipe.
I hope this helps or encourages you, feel free to PM me as well!