Re: Watery throat?
Question 1: Is there ice in your bowl?
Question 2: Is the smoke "wet" like?
If you answer "YES" to both question. STOP SMOKING! This is actually very bad for it. What is happening is the water particles are being picked up by the smoke. And pro-long smoking of this, leads to pneumonia.
The reason your coughing is because water/fluids are getting into your lungs, and it is your natural body reaction to push the water out of the environment where it shouldn't be.