[All the "children" here are far older than Gavroche, older than any of the gamin he knew, and Grantaire doesn't exactly see why they need to be protected from this but he's blocking the door all the same.]

The easiest way to keep children from something is to act as if it's incredibly boring. If you tell them no, they'll only want it more. [He's scanning the people passing by for the doctor to come touch the body.] That is what I've been trying to do, in the hopes that the others will take care of redirecting their energy.