He doesn't need Luo Binghe's approval, but he does want, despite himself, to know Luo Binghe liked Laertes (he wants everyone to like Laertes). He understands acceptable to be as much as Luo Binghe can reasonably offer.

"I'd like that a great deal, if you'd consent to it." He's curious whether it will seem anything like the Shen Yuan he knows, or whether it will go hand-in-hand with the person Shen Yuan was pretending to be when he came.