"Hope not," Apollo said cheerfully, pondering over whether or not he should remind Hermes that he could reverse his healing at any time. No, that would be tacky, and they were getting along so well. "Alright," he said, giving Hermes a pleased smile. "Swear it, and you and me are good again. Then I'll heal your friend, and you'll owe me some favour. Good deal?" he asked, holding out his hand to shake on it.