Adam was quite familiar with the road to Tushita Palace in Lihèn Heaven. When he reached the gate, he bowed in salute.
"Master, this disciple will be leaving for some time and has come to bid farewell."
Adam had originally treated Lord Lao and the Daoist Lord with respect, but also with relative ease. After all, it had been the Daoist Lord who had approached him first, and it seemed likely that he would need Adam's help with something later.
Moreover, he had not known how important that rune was. He had merely thought it was something akin to an identity token bestowed by the Daoist Lord, perhaps also capable of contacting the Daoist Lord's true self.
That was why he had dared to act so recklessly in Tushita Palace, taking pills and the Jade Bottle, even walking off with a Palm-leaf Fan. He believed that Lord Lao would not do anything to him before he crossed his bottom line.
However, after Yuanshi Tianzun pointed out that the rune was Innate Dao Script, the Dao De Jing—or perhaps even the Dao of the Daoist Lord himself—Adam felt that he might have been somewhat rash before.
In a sense, it really could be used as an identity token. The only difference was that Adam had thought it said, "Authorized passage by the Daoist Lord," when it actually said, "The Daoist Lord's pet cub."
Though the Daoist Lord had indeed approached him first, the treatment he had received was truly that of a personal disciple. Yet he had treated the other man like some old geezer. That was rather inappropriate.
So he had come to Tushita Palace to apologize at the time. Lord Lao had not opened the gate, but that did not matter. An apology did not need to be accepted;