Since he had already said it out loud, Shao Dong didn't hide it from him. He told him about the knot in his and Shao Xi's heart. Shao Nan listened for a while and didn't say anything. Then, he suddenly said, "There's nothing to feel conflicted about. Let's find out while she's still alive." This way, they wouldn't need to keep bottling it up inside of them and let it become a thorn that could never be removed.
"How? She won't admit it," Shao Xi said.
"Then find a way to make her say the truth. We can test her."
"How?" Shao Xi was curious.
"Find something she's afraid of…" Shao Nan was thinking when he heard Shao Dong say in a deep voice, "Just dress up as a ghost and act all mysterious." Zhao Lan was terrified of ghosts.
Shao Xi was still processing it when Shao Nan reacted. "Good idea. Let's do it."