Talk to upperclass students. . The brain responds to order, to a system. Devise one and stick to it. Successful people accept a task, and will succeed -no matter how long it takes. Use an erasable pen - the same one all the time, as your 'lucky pen'.
Subliminal tapes work for some people.
Don't let the Perfection Principle cripple you. Use whatever method of learning works for you, as long as it's legal and doesn't hurt you or anybody else. There are quicker ways to learn. To learn NEW material. We don't think or learn in sentences.