Listening.
Some are better than others at this quality. It seems like opening your ears and letting someone in would be so simple, but the thing that listening takes is time. It takes the effort of looking at someone in the eyes, shutting everything else off for a minute and giving them your undivided attention. It seems so simple, but I guess with everyone being in a rapid paced life, people just don’t have time to listen… or they don’t want to. Maybe that’s it.