Feeling like crap - thanks to giving up smoking

If you can hear a whining sound emanating from your computer, it's probably me!
This is the second or third cold I've had since giving up smoking - I did not have any more than a sniffle for about three years when I was able to coat my tubes with a comforting protective lining of smoky tar.
I haven't had a cigarette now for almost eleven months and I don't feel even slightly better for it. The reverse in fact. My mouth is so full of saliva that most food tastes watery and unpalettable. I can no longer eat chips because they taste of soggy cotton wool. I'm sure that I suffer more stress now and a resultant increase in blood pressure which totally defeats the object of giving up in the first place.
It's true that my sense of smell has improved but let me tell you that the world does not smell that good.
And as for the economic benefits - the truth is that one simply spends it on something else of equally little real value.
If I could be certain that reviving my habit would culminate in my emitting a slight cough and keeling gracefully over while my eyes rolled back, I would start smoking again in a heartbeat. However there is always the risk that another stroke would not give me a clean end and I might become some kind of helpless vegetable. And what would my cat do then? Meanwhile I have read somewhere that Simon Cowell is being treated in a rehab clinic to help him give up a fifteen cigarette a day habit! Fifteen! Good grief I used to have that many for breakfast!