[ Grantaire doesn’t thank him, not for that. He’s grateful to not have died alone, as he always suspected he would, likely passed out somewhere after drinking far too much, but he's looking at the situation a bit more specifically.

As Enjolras coughs, concern touches his features. When it ceases, he merely shakes his head. ]

I am grateful not to have died alone, it’s true, but that is not what I mean to thank you for. You never sent me away.

[ Once, only once did he ask for him to leave, but Grantaire looks beyond it. ]

You could have turn away at the end, but you accepted me as you might have accepted a man who actually fought alongside you. If you do not want my thanks, then I will not speak it, but you have it all the same. It’s your burden to bear.