Aexpense is a cost that does not change over a time period.

A fixed expense is a cost that does not change over a time period. An example might be rent. Chances are rent does not change from month-to-month. It may change from year to year, but in the short term the constancy would count as a fixed expense.

on the first day of new student week, amber revealed to her roommate that she is a lesbian. this is an example of self-disclosure.

glass wants to live in a world of super heroes and villains. he have lived all his life trying to be responsible for the creating the origin story of a super hero; he schemed and caused many incidents (many of them fatal) hoping that someday someone with superpowers would show up and save the day.

he knew himself very much. he saw himself as a villain of a real-life super hero story. he was aware of his strengths (more than smart enough for being manipulative and scheming) and weaknesses (having fragile bones and having to rely on his mind to succeed).