Expanded from a Twitter tweet, since there are important points here that won't fit in 140 characters.
Our text for the day is Achewood, 2010:5:9-24 (starts here). Andy Larson dares "Darin'" Darren Wilson to ride in an unsafe vehicle without a seatbelt and then leave a bowel movement on the math teacher's lawn. Darin' Darren does so, at great risk to his life both from Andy's reckless driving and from illegal chernchilla breeders Mayner and Lurquilla. He retaliates by daring Andy to have dinner at Denny's naked. And in the last panel, Andy smiles.
Andy doesn't give a crap, pun intended, about Darin' Darren's doings on the math teacher's lawn, and he knows dehrn well that neither Mayner nor Lurquilla is in fact a math teacher anyway. (The range of Mayner's scholarship suggests rather a career in law.) Andy only put Darren through the horrible experiences in the back of the van and on the lawn so that Darren would make a counter-dare of his own. But if Andy wanted Darren to make a dare, why not just say so? And, for that matter, why doesn't Andy just go to Denny's naked under his own power if that's what he wants to do, instead of hoping to be dared into it? Andy could show up naked at Denny's any time he wants to - they are, famously, open 24 hours a day.
The reason is that it had to come from Darren. If Andy solicited the dare in any more active way than just creating the conditions for it to occur, then it wouldn't be real. It couldn't come from Andy. Onstad has, yet again, put his finger on an important matter that would be difficult to explain any other way.
By the way, if you're going to make comments, I dare you to do it under your "high school name." Mine is Brad Mitchell, but don't call me that now. Wait until you need to refer to me.