Wrong forum, go to halo.xbox.com.
And you can only get one for quitting, so you were quitting dont lie. 10 minutes isn't long get some fresh air.
Here's what counts as a quit.
Getting booted = quit
Quitting = quit
Dashboarding = quit
Turning off your xbox in game = quit
Lagging out = quit
[Edited on 03.12.2012 11:49 AM PDT]