"Because that's not how the job works. I'm not telling you how to . . . whatever you do."
Well. He was telling him not to fling sodium. So that was a thing.
Other options:
Re: Make you own explosion!
"Because that's not how the job works. I'm not telling you how to . . . whatever you do."
Well. He was telling him not to fling sodium. So that was a thing.