There exists, between people in love, a kind of capital held by each. This is not just a stock of affects or pleasure, but also the possibility of playing double or quits with the share you hold in the other's heart.
Bio: Patricia Bean McConnell is an Adjunct Professor of Zoology at the University of Wisconsin-Madison, and expert in animal behavior. She has written several books, including The Other End of the Leash and For the Love of a Dog, and produced a number of pet training DVDs.