Like all human beings, buyers and sellers are emotional creatures, and there are five emotional traits that great salespeople possess. Assertiveness can propel a sales situation without offending or frustrating the customer. The ability to understand your own emotions and how they work through self-awareness can help build stronger customer relationships. Reading the customer’s moods and emotions can allow you to adapt your behavior and empathize. Problem solving can create new ways to satisfy the needs of the customer. Optimism helps maintain balance when things don’t always go well. In the down economy, some salespeople have been able to sell above their quotas while the competition tried to brace for the worst.