It is good to trust someone in a relationship.
Mary's boyfriend John is part of a big project at work and has taken to sometimes pulling all-nighters.
Mary wants to feel secure in her relationship.
Mary is honest with John about her insecurities.
Mary follows John and confronts him when he goes for a meal with coworkers after work.
Mary is better able to handle the temporary distance after John adjusts his schedule to give her more attention.
After embarrassing John in front of his coworkers Mary and John grow further apart.