Curiousity killed the cat but at least it died knowing. Obviously Hugo didn't wanted to die. He couldn't help it, Dark wizards and all that jazz was very interesting. Interesting to know about.

They were going to cast a patronus?! YES! He wanted to know what his patronus would look like. He was excited and didn't answer the question since everyone already had said something. It is used to make dark stuff go away, blah blah blah. Let's just cast the spell!