Even as a teenager, Isabella still felt compelled to behave extra-well around Christmastime. There was a small part of her that still felt like Santa was keeping an eye on how she was behaving, and she chose not to tempt fate. Each homework assignment was completed on time, each chore done before being asked, and she went out of her way to be friendly to anyone and everyone.
The hardest part of being good was keeping her thoughts in check around Phineas and Katie; she had a feeling that plotting ways to break another couple up would count as "naughty."
A/N: You Better Watch Out (The Zolas)