How to get a sports car

Want to get a sports car?  Start by asking for a motorcycle.

It’s a variation of a basic rule called reciprocity — as identified by Robert Cialdini in his book, Influence. Every society adheres to some form of reciprocity — it helps cement relationships.  It’s useful to know that, if you do someone a favor, you’ll likely be repaid in the future.

The reciprocity principle may seem obvious.  But there are many subtleties and variations.  Learn three of the major variations — and how to get a sports car — in this week’s video.