What’s the difference between anger and indignation? What’s Angela’s problem with turkey sandwiches? And why wasn’t a No Stupid Questions listener angry at the men who assaulted him? Take the Seven Deadly Sins survey: freakonomics.com/nsq-sins/

Are we too busy watching Friends? Is porn driving us apart? And why did New Yorkers stop vacationing in the Catskills? Take the Seven Deadly Sins survey: freakonomics.com/nsq-sins/

Is your favorite treat changing your brain? Why do so many snacks melt in your mouth? And why can’t Stephen replicate his favorite salad dressing? Take the Seven Deadly Sins survey: freakonomics.com/nsq-sins/

How can we distinguish between laziness and patience? Why do people do crossword puzzles? And how is Angie like a combination of a quantum computer and a Sherman tank? Take the Seven Deadly Sins survey: freakonomics.com/nsq-sins/

Birthdays! Why do Americans prefer Thanksgiving and the Fourth of July to theirs? Why do they make Stephen think of molasses and chicken feed? And is “Happy Birthday” the worst song ever written?

How far would you go to extend your life? What’s the best way to stay sharp as your brain ages? And does Keith Richards deserve a Nobel Prize?

What’s the connection between conversations about money and financial literacy? Could the taboo against talking about your salary be fading? And why did Angie’s teenage daughter call Vanguard to learn about I.R.A.s?

Are those travelers on their laptops just showing off? Why does V8 taste better at 35,000 feet? And why won't Angela chat with her seatmate?

Are things as dire as they seem? How big is your moral circle? And should Angela spend time with her kids or answer her emails?

Is sobbing a survival tactic? What happened when Angela wept in front of her boss? And what do sauerkraut and sadness have in common?

Why are people so inconsistent? Is there such a thing as character? And did Stephen once have the world's longest chain of gum wrappers?

Is there such a thing as a victimless crime? In an unfair system, is dishonesty okay? And are adolescent vandals out of ideas?

How do you know when it’s the right time to retire? What does a “good” retirement look like? And will Stephen and Angela ever really hang up their hats?

How many bottles of wine are regifted? What’s wrong with giving cash? And should Angela give her husband a subscription to the Sausage of the Month Club?

How do you express yourself when you're not sure what you want to say? What’s the number one way to get people to listen to you? And why are letters to advice columns always well-written? Plus: An update to the NSQ drinking game.

When are negative emotions enjoyable? Are we all a little masochistic? And do pigs like hot sauce?

What do gamblers and referees have in common? When do machines make better decisions than people? And has Stephen been replaced by a computer?

How can you break a bad habit if you’re not aware that you’re doing it? Does Barack Obama grind his teeth? And is Angela’s dentist a crook?

What’s the difference between schadenfreude and sadism? Can envy be put to good use? And how do you teach a kid to punch a clown?

Can a little dishonesty be a good thing? How many fibs does Angela tell every day? And why does Stephen have a forehead?