"Transport system doesn't work on inanimate objects?" Because that would be interesting, if it was the case. Though Coulson couldn't imagine why. If anything, he would think that it would be harder to transfer living material. No one knows what causes that spark of life - what's the difference between a perfect corpse and a breathing human.

Sometimes he wonders if he could even tell the difference. What if his soul is somewhere else?

"Demonstration?" he offers, drawing back a little bit. Opening up the space between them. He's not so sure he wants to go through with this yet.