That's a quite believable explanation for the Xiomara / Rolanda mystery!
"He said no wizard could appreciate his poetic genius." It does take a certain mentality, certainly. Love the reference to dear William.
And your Albus gives some excellent teaching advice. Lemon sherbet or not, the man makes sense. Loved his note to Rolanda, too. I often reflect fondly on the energy and enthusiasm you brought to my classroom, Bless him.