After Twilight Sparkle discovers a new book of pick-up-lines, she wants to bring her friends closer by complimenting them with cheesy lines.

And it does more than bring them closer...

It's hard being all on your own. When Sweetie Belle's friends are kept away from school she quickly realizes just how boring it can get. Dreamdrop is a colt who's always been a bit of an oddball, but Sweetie hadn't paid him much attention when she was always busy with the Crusaders. Now that she's got some time to herself Sweetie Belle finds herself wishing for a new friend and takes a chance with Dreamdrop, only to become the newest addition to his imaginary world. Sweetie Belle struggles with her new friend's vivid imagination and her own desire for normality. It turns out even being an imaginary princess can be a stressful job.

Mood Wings - Observations on Pegasus Body Language.

When Twilight Sparkle finds this book, she discovers an entirely new field of research. The secrets of pegasus wings lie before her, and she insists on making her own observations on the matter.

How?

Field research, of course.