It hurts me to see you.

I might....

It would draw me away.

I have my allotted course.

And you--Don't you see, you would influence me; you would be--you _are_--a disease--for me." "But," I said, "I could--I would--do anything." I had only the faintest of ideas of what I would do--for her sake.
"Ah, no," she said, "you must not say that.