I won't tell anyone else. [ Who else would she tell it to, anyway. She gossips with Hyde more than anyone else...this is the sort of thing she would totally tell him... ]

I wasn't aware he thought highly of me, but I guess he isn't bad. I suppose his playing pretend has more of a reason than it doesn't. [ Pretending to be human, she means. Being the devil is probably legit reason to play pretend. ]