Existence is futile and the only certain fact in life is that you will die. Life is one grinding disappointment after the next until death.
Dave has been sacked from work, deep in depression has come to the conclusion that he was deluding himself before and not to expect anything from life as lifes a cunt then you die.
Someone who is addicted to obtaining money and building wealth. A money addict and fanatic. Breadheads often work more than one full-time job, and some even participate in illicit activities to "obtain the bread".