They'll burn out or get caught on EPO.
Everybody knows that Aussies have a right strop if they don't win - that's why every let Cadel Evans win last year. After a long year of him losing they couldn't stomach another hissy fit from the Grumpy Goblin.
He's probably back in Oz right now, stabbing a puppy with a ballpoint pen to vent his anger.
You mean like Hayles?
http://news.bbc.co.uk/sport1/hi/other_sports/cycling/7315034.stm
and Cav?
Anyway, Cadel's missus minds the dog when he loses.