Neville followed Dennis' gaze to his arms and the small vines still wound around them.
"Oh! These?" He sometimes forgot that most of the plants he worked with this year had not been taught to the Herbology classes. "No I'll be fine. They're fairly harmless, unless you struggle too much. A bit like Devil's Snare really, except these aren't strong enough to hurt you that way so the have a paralyzing venom that they excrete when you pull away to roughly. It's not particularly strong on something as big as a person, it'll only paralyze your arm for an hour or so, but it can kill small animals."
Once Neville was free of the plants he stood tall and stretched his legs from crouching so long, his right knee popped. "Sorry about that, you probably weren't all that interested. I tend to get carried away when I talk about plants." Neville looked down and rubbed the back of his neck
He was a bit nervous but surprisingly comfortable talking to Dennis. He found himself hoping that he would be able to keep himself this way, Dennis seemed like a good kid who could probably use a friend.