It's good to show concern for a depressed friend.
Bill's friend Jerry has had a lot of trouble sleeping and has been keeping to himself a lot, and Bill meets up with him.
Bill wants Jerry to get better.
Bill talks with Jerry and asks him why he has been so down recently, then listens to his explanation.
Bill makes some small talk with Jerry and avoids talking about his issues, thinking that he'll make things worse by exposing them.
Jerry feels like Bill cares about him and opens up, helping him deal with his emotional issues.
Jerry doesn't get help from anyone and eventually goes into an incurable depression.