Thank you for your patience. I think I figured out part of what was giving me so much trouble: this chapter has a shit-ton of dialogue in it.
EXCERPT:
The feeling was hard to put into words. It was somewhere between a flutter and a tug, and he couldn't say whether it was in his belly or only in his mind.
The dormitory door opened behind him, and there it was again, just at the edge of his senses. Sirius smiled to himself, but didn't look up from his Transfiguration homework. He didn't have to.
"Hey, Moony."
Chapter 14: High-Strung