Temperance tried to move her head, causing Envy's line to escape across her temple. Envy's eyes flashed a little darker green as he straightened her face within his grasp by her chin. He held her still while he redrew the line, using his saliva on his finger to wipe off the mistake.
Without even looking at Sloth, Envy answered his question. "There's more to work with. I prefer girls." There was more to destroy inside their heads. If Sloth was asking about himself, then yes, Envy also preferred his more feminine self, but his company wasn't entirely unwanted or Envy would have drug him out.