Here’s a truth many already know but may not be apparent to all. Great humour actually comes from personal pain. Listen to any classic joke or any exceptional comedian and you’ll sense stories about the human condition, if not hear or see them too. That’s what makes these acts and their actors unforgettable. The best comedians are themselves aching. Take the scene where Lucille Ball in “I Love Lucy” struggles to keep up with a manic chocolate factory conveyor belt or Robin Williams struggles as the anti-establishment radio announcer in “Good Morning Vietnam”. Or even that most pointless joke of all: Why did the chicken cross the road? They’re actually all stories about anxiety (that last one affecting those who try to answer it as well). What got…