That's not intentional, it just comes from wearing a cape as a human. Does have a certain amount of style though, doesn't it?

[He lifts a hoof and leans his head back, very deliberately posing and inviting her to consider what a handsome pony he makes.]

That sounds like Princess Luna. She's a great teacher, she's just the one who's teaching the pegasuses how to fly and control the weather. Her sister is teaching the unicorns magic.