Addicted to chocolate? That guilty pleasure may be putting a hole in your wallet.
This Valentine's Day, Americans will spend nearly $800 million on the sweet stuff, according to the National Confectioners Association.
Satisfying the sweet tooth got more expensive in 2013 as cocoa prices jumped 21 percent—the second biggest commodity gain behind natural gas.
By 2016, the global chocolate market is projected to become a nearly $99 billion industry.
What's fueling all of this growth?