Harry Potter: Red Hair and All That Glitters

As a little kid, Ron thought everyone with the surname Malfoy was a sparkly, bad person.

As a brat, Ron grudgingly admitted that Draco Malfoy was an exception: a bastard.

As a teenager, Ron realized Draco was actually pretty decent.

After that... Ron: Draco Malfoy! Keep it down, my dad's here!