His eyes widen the second he has a miniature Xellos on his hands. One Xellos is already more than he can handle, even on a good day Xellos will wring Cesare out like a wet towel - too astute, too perceptive, too close for comfort for Cesare to relax in his presence.
"Err. Yes." He clears his throat, then resolutely pats her. "Quite. Very convincing, dear! I am sure you will be a very powerful, er, witch."