When you know you are a valued employee, one your company cannot afford to lose, you have a lot of leverage when negotiating benefits and pay. The problem is, unless you actually threaten to quit, companies will not be in a rush to give you more than they think you deserve, which is usually much less than what you do deserve. So employees threaten to quit, and some manage to get what they want from their current company, and some end up actually quitting and getting a better deal somewhere else…