Perhaps, as Shirley Miller said, the Immortal Path is long and treacherous, and when cultivators go into seclusion, it often lasts for years, even decades or longer. Having more people around makes it much less lonely.
There would certainly be some unhappiness, but Shirley Miller could empathize and be more accommodating to Carson Flores, not unrelated to the sacrifices Carson made for her.
Facing a man who is willing to risk his life for you, what else can't you tolerate?
Shirley Miller was able to accept Samantha Tate and Camille Rhodes before; she had already crossed the most difficult threshold for women. Now, with two more, what's the difference from before?
The Immortal Path is not only long but also arduous and full of difficulties. The path across realms is extremely dangerous, with the risk of losing one's soul at any moment. This is why Shirley has the saying, 'Safety, and all is well.'
