I myself can't quit caffeine. I was in withdrawal so badly during surgery that I could not hold down evenwater as much. They literally had to hook me up to a caffeine drip. The drip rate was two hours instead of one hour because the nurse did not want to blow out my vein.
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".