[Because it's not the first time he's been knocked to the ground by someone and he's been trained to keep his cool. That training kicked in the moment he found someone else over him and it's there in the hard gaze he's pinning Gluttony with.]
[There is a certain sense of alarm, of course, because no one likes being trapped, especially not like this, with massive body-weight making it hard to breathe properly and agitated pulse echoing in their skull, but Cooper can deal.]
[He's dealt with worse.]
[So he bites it out again, bracing himself somewhat against the massive body on top of him, just to feel less ... well, flat. It's more or less ineffective.]
[action]
[There is a certain sense of alarm, of course, because no one likes being trapped, especially not like this, with massive body-weight making it hard to breathe properly and agitated pulse echoing in their skull, but Cooper can deal.]
[He's dealt with worse.]
[So he bites it out again, bracing himself somewhat against the massive body on top of him, just to feel less ... well, flat. It's more or less ineffective.]
Move.