You have insight in others' emotions and can respond to them accordingly. You could probably understand what motivates a person, or you could detect a lie. However, you often feel exactly as the other person does, sympathizing with them to an amazing level.
People sometimes trust you with their everyday problems. You can sometimes feel another's pain. You can discover what motivates another person. Lies rarely get past you. You often take words right out of other people's mouths.