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: John Desmond Bernal was one of the United Kingdom's best-known and most controversial scientists. Known as "Sage" to friends, Bernal is considered a pioneer in X-ray crystallography in molecular biology.