“Love is patient, love is kind. It does not envy, it does not boast, it is not proud. It does not dishonor others, it is not self-seeking, it is not easily angered, it keeps no record of wrongs. Love ...

People who lack empathy come across as cold-hearted to others, and often possess these 12 subtle traits. People who just can't warm up to anyone tend to share these similar characteristics.