You’ve grabbed some grub on your way out the door so you don’t starve between classes. All good. Just make sure your snacks don’t drive other students crazy.
The more often you ask your brain to recall information you’ve learned, the better you’ll retain it. That’s the simple beauty of practice tests
To get you off on the right foot this semester: a crash course on how to take great notes. (Because … learning by osmosis doesn’t work.)