Immortal and mortal?

Neuvillette met his best friend in high school. Wriothesley, a mortal had found a crying elf like creature in the gym. Little did he know though that he would be befriending a sovereign dragon. Ever since him and Neuvillette had been quite the pair, their jobs even matched, though the distance was hard. Neuvillette sat in Wriothesley’s office, sitting on a red leather couch, drinking some water. He soon cleared his throat.

“You’ve aged quite a bit Wriothesley.*