I completely slacked of last semester as well. I received my first acceptance in October. First semester I didn't intentionally slack off, but it was just so hard to study when I was getting ready to go to Boston, New York, and Philadelphia. Oh well ... second semester I just was procrastinating like crazy. Paper due at 10am, I'll just wake up at 6am to write it. It didn't help that was the only semester which I received all As. Don't worry you'll get back into studying once med school starts. Not necessarily because you want to, but because you have to ...