People that are allowed to cause problems for others. They cause stress, which affects our immune system in the same way free radicals break down our health.
As a husband, you can not entertain free radical women. They can't wait to see you and your wife fall out so they can try to secure a place in your life.
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".