"I've got to relieve my feelings, if I do nothing else! Well, I suppose you understand what this adventure means?
Unless you get back before the new term begins, you'll lose your post, and you take steep chances of ruining your health.

You're not used to sleeping on wet ground and going without food.

Then you'll have to live with half-tamed _voyageurs_ and perhaps help them track the canoes.

They'll upset you in the rapids and the bush will tear your clothes.

I hate to think of my sister going about, draggled and ragged, with a bunch of strange men.