After giving her grandfather the Rapid Heart Relief Tablets, the woman finally breathed a sigh of relief. She glanced at Felix and gave him a small nod.

While she likely did not trust his mysterious pill, she seemed to appreciate his willingness to help. It was clear she had a good head on her shoulders. Felix responded with a slight nod, then closed his eyes again, pretending to rest.

Ten minutes later, the bespectacled doctor spoke up, his voice heavy with concern. "It's not working. It's b