You're happy being a slave. That's great, good for you. I'm not, yet you give the slavemaster money to make sure I'm a slave too. Fuck you.
http://en.wikipedia.org/wiki/Wage_slaverySimilarities between wage labor and slavery were noted at least as early as Cicero. Before the American Civil War, Southern defenders of African American slavery invoked the concept to favorably compare the condition of their slaves to workers in the North.