Should you add a strange ritual to your day like an Olympian?

Should you add a strange ritual to your day like an Olympian?

If it’s good enough for Usain Bolt… Photo: Getty/Editorial Hurdler Michelle Jenneke has her famous warm-up dance, long-jumper Fabrice Lapierre competes with a gold chain in his mouth, Usain Bolt points to the sky before breaking yet another world record, while...