It seems Dick Grayson hasn't fully moved on from Jason's death, even if he has been brought back from the grave.
“We all have our breaking points, Dick." Tim said cryptically, like he knew what Dick had done. "The only question is, can you come back from it?”
There was so much pity in Tim's eyes that Dick couldn't stand it. That pity should belong to someone else, anyone else. Just not him.
(Short, 5-15 minute read, depending on how fast you read.)