That certainly could be her sometimes. While Mary was generally confident, she had her moments of insecurity. Casual sex with a friend was uncharted territory for her, and she didn't know what to make of it.
"I'm sorry if I interpreted it that way. I suppose I was feeling guilty too." Things seemed different in the light of day. Not only had she slept with a man she considered her friend, she had slept with the devil. The reality of that had struck her hard.
"I should like to be friends with you again, if you think that is possible."