Is There a Reason Why I Shouldn't Do This?

If there is no rotsio, then it's not a rational movement, in which case it's no longer culpably sinful. I mean sin is precisely the will's no low answering to the intellect's debao,. Intellect, conscience in particular says this is what I must do, right? I have no option. I am bound by obligation. And sin, formal sin, is precisely when I say when my will says and answers to that apprehension, I don't care. That's what formal sin is.