Lyric discussion by bubblesmn3 

Cover art for Feel Like Rain lyrics by Motion City Soundtrack

As much as it pains me to see it, I think you're right about the cutting. Even the "rain" strikes me as a blood analogy now.

And in that case, the chorus probably refers to him having a history of cutting and the ultimate realization that it could end badly which caused him to stop, even though the urges keep coming.