If Chelsea can't explain how she feels, she's sad because she and Ferdie will meet again for a long time. Although they have no relationship. That would be noticeable in Chelsea’s eyes.

"Are you okay? You seem to be thinking deeply, you can share with me." Ferdie's obvious question.

Chelsea replied, "Ah, never mind, I'm fine. Please help your parents get things ready so you can go home. He'll take care of you on the trip." the smile said Chelsea.

"Thank you, and you too be careful." Ferdie's answer to Chelsea.

Chelsea also notices that Ferdie's face is sad.

Ferdie and his father have already prepared for his mother's use....