HI
go back and see my post on car driving problems, assuming you will be a passenger ask him to make frequent stops and get out, walk around and cool off and relax
worry that somethintg bad will happen sounds like OCD, an anxiety related condition, a self help book on overcoming worry also would have useful advice
also you seem to have antuicipatory anxiety about the event, this is common when faced with having to do anything different, we like a steady routine
I strongly suggest you commit yourself to going and dont cancel at the last chance
recovered former longtime anxiety and panic attack sufferer and helper of other sufferers but no training or qualifications in medicine or psychology, any remarks that may be taken as advice must be confirmed with doctor or other health professional
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