not to be sobered by anything (like regret) (смешанная)

It was weeks later, after reflecting about the consequences and possibilities, after reflecting about his regrets, after saying his goodbyes… that Lan Wangji returned to Qinghe.
“How far back do you think the array will allow us to travel?” Nie Huaisang asked him as they made their preparations.
For once, it was Lan Wangji who answered, “I don’t know.”
(In which Nie Huaisang takes on a different approach.)