A very good better half to make the tea, listen to you moaning and other hard luck stories, to hug & kiss you when you do well, and Finaly to apply ointment and plasters to your cuts and grazes,. before they beat you for falling off
Last time I heard it was a £50 fine for not having one, Last time they checked mine I think it was Mallory in 2007 that they came around asking to see them