[Despite her serious tone-- because sassy-sounding or not, she had meant what she'd just said to him in stone-cold, deadly earnest-- a smirk dragged one corner of her mouth up.]
You have no idea.
[... But he might get a clearer picture if he sticks around. :I]
no subject
You have no idea.
[... But he might get a clearer picture if he sticks around. :I]