Don't poison yourself. Don't smoke. Don't take drugs. Don't drink soda. Toxins affect your outward beauty, the way you radiate, and the way that people experience you. Treat your body as purely as possible. It will show.
Must make this - I really wish the college offered a class in organization. I was so underwater the first year trying to get organized (special ed teacher with more than a little OCD) She even tells you what tabs and what to put in each section
16 tips to do better at college. take these and adapt to your own needs. and one more to add--talk to your classmates after class about what your teacher just covered to make it stick in your memory (this is the old lecture style)