Talking with the utmost animation to her, as also to Mme. de Villeparisis, hiding, so to speak, behind them, as though he were seated at the back of a theatre-box, he contented himself, turning from them every now and then the exploring gaze of his penetrating eyes, with fastening it on my face, with the same gravity, the same air of preoccupation as if my face had been a manuscript difficult to decipher.