His nose scrunches in a mischievous snarl, even though he can't get close enough for any follow-through.

"Not hard when I like it too." As much as she appreciates his roughness, he appreciates her enjoyment and embracing of it in kind. Sweeney isn't afraid to hurt her; he knows she wants it, and if she doesn't, he's given her a voice to say such. He just hopes she'll use it if she needs to.