Envy was intense in the worst way. By the time he was done, Sloth may have just slid down to the ground in a lifeless lump. There was no satisfaction it seemed with any of them its why as Sins they thirsted for attention. All of them. But that was exciting in it's own right, if just to hang it over Greed's head that he wasn't the only brother that screwed around in the family. Since Sloth's introduction it was also very obvious she had a connection with Greed. Not in sex terms but still something, enough to piss Envy off.
"Think you'll stay a girl a little longer?" He asked hooking his belt back together while Sloth composed herself.