Twilight has been spending time reading up on the dynamics of pegasi flight for years as she's been learning how to use her new appendages. Rainbow Dash has proved to be a great flight instructor. Now Twilight feels she finally has enough knowledge to speak to Rainbow about the limits of pegasi flight. But what is with this desire to learn more? Is it simply a burst in curiosity, or something more?

Written for Sleepyted for Jinglemas 2021