G'day Steve,
On 04 February 1997 you were in deep conversation with Sean Butler
SB>When you lips are numb and you can't feel the reg anymore,
SB>it's time to leave. That's usually about 20-30 minutes.
 SE> Yup.  When my body parts start turning blue, it's time
 SE> to get out of the water and question my sanity.
Why don't you just wear a wetsuit like the reat of us! 
Alan
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