It's poignant and true.  Nicely written, too.

"the Marauders… for they certainly took pleasure in plundering my childhood of any peace"

Ooooh, excellent sentence. A very well written piece, poor Severus...and I can see why he thinks this way. Poor man.

This is very good, quite in character, I think.  Well thought out adn well written.(After reading your bio) I think your father should be proud that you want to teach music.   Teaching is a noble profession and music is a high and lovely art that enriches our lives.Good for you for following your dream.  God bless you.