I'll echo what the others said. You ARE a goddamn kid. This is the last point in your life when you still have a safety net of not getting fired if you don't turn in your assignment. Enjoy it.
And it sounds like you do, and some of your friends don't understand that this is also the time in life when responsibility should eek in somewhere. You DO understand that. You're ahead of the game in my book, and if your friends don't get it, well .. .they're idiots