"Because you could have gotten hurt!" He pulls away from Kavinsky and glares at him. "Do you want to have a reprisal of going to the hospital? Because I don't. God, you could have broken your neck!" He's just relieved that Kavinsky is fine and has no clue how his words could be construed or is even conscious of the fact that the incident in question happened when the two were still on unfriendly terms.