According to the New Economics Foundation, happiness boosts creativity by 300 percent and leads to 37 percent higher sales. So what does contentment in a sales career look like in your life? If you have never stopped to think about it, the new year is an excellent opportunity. Less stress and greater satisfaction makes a positive impact from C-suite executives down to entry level employees. Make it a goal to seek higher levels of happiness to stay motivated in the sales industry in the coming year, starting with these suggestions: