The doctor's voice came over the phone, explaining the purpose of the call. After that, Wilson heard a familiar voice speaking. It was Sandra's voice!

Sandra said in the recording, "Sorry, not interested. I don't want to donate any bone marrow. I registered at the bone marrow bank for fun."

"But there's a young man who's waiting for you to save his life. You may experience some pain, fatigue, and stiffness following the donation, but you'll quickly return to your normal routine and fully recover within a few weeks," the doctor said, trying his best to persuade her.

Sandra kept refusing, unwilling to donate. "I don't want to donate my bone marrow. Someone's dying? It's none of my business if he dies or not."

"Must I be a donor? Just because my bone marrow is compatible with his? You guys are ridiculous. What if I can't fully recover after the donation? Who's going to be responsible, you? Or the dying poor guy who's waiting for someone to save his life?"

Wilson's face darkened at e