Secret Jealousy

Fiona was an enthusiastic person but Sabrina was not.

Sabrina didn't like intimate interactions with someone she barely knew.

Apparently, Fiona noticed it. But she didn't take it seriously. She just smiled and picked up an apple to eat.

The in-flight meals were always awful and Fiona was very picky. So, naturally, Fiona would not eat them. But they didn't have any time for food after getting off t