Most Helpful Girl
First, just do. it more,
More practical tips: Listen more than you speak. Don't interrupt. Ask clarifying questions. Repeat back in your own words what the other person just said. Look into their eyes when in person. Work on exhibiting positive body language, and be mindful of others'.
Understand that when in email or text a person's tone can be misunderstood. Just ask what they meant, and don't jump to conclusions.1
Most Helpful Guy
By making note of what worked and what didn't. And like everything else, it's always Practice. Practice and more practice.1