Down with anything that has speed and danger, but drink driving? only danger with that is being killed painfully by the father of the kid you killed. Should meet my dad he was seriously disabled by an idiot who was over the limit, shame i was too young to pay the complement back.
If he's nervous now - wait till he see's the 30 year old Russian plane he'll be travelling on. If you get him on this flight it'll be his first and last time on a plane !
I agree with Frankie, best to break it to him gently. Perhaps blindfold him and wrap him in a warm blanket (when he is sitting in his seat). Maybe some calming music.