Also, Alice wakes up to find Bill’s mask on the pillow next to her.

This begs the question as to whether or not Alice was at the Masked Ball,

or was her finding the mask just a discovery of her husband’s amorous secret life?

Then, there is the matter of a ‘dream’ that Alice describes,

where she was made love to by a nearly endless line of men whom she did not know.

As she is describing this, it matches extremely closely to what her own husband witnessed at the ritual he snuck into.