Ah... to be 18 again.... No, I don't think so - too much hassle to go through again, mind you, there were one or two young ladies with whom re-acquaintance might be worth the hassle.
Happy Birthday Simon, do remember to take your beer standing up so that you will have a ready indicator as to when enough is enough. [Chaps, do we feel he has earned any remission and can lose the little blue hat and yellow car?]