"Well... I guess there's no harm in joining you for a little music. It sounds downright... peachy! Yeah! I bet it'll be peachy keen!"
"YEAH! I know you're totally just saying that!" Tyler cheered. "But that's OK! Because spending quality time with your big sister is TOTALLY EXTREME!"
Kasey laughed. It was real and it was genuine and she hadn't expected to laugh at all. Maybe, despite all his ridiculous obliviousness, her brother was more perceptive than he appeared. Maybe he hadn't just gotten lucky with this idea.
...Maybe.