If a character realizes that something is anathema in their story world, it could be a turning point for their development. They might choose to exit that situation, which shows growth as they recognize what is unacceptable. For example, if a character in a corrupt society realizes that the system is anathema, a fine day to exit could mean they are starting to break free and become a better version of themselves.
A character might face an 'anathema' situation in a story. This could be a conflict or an obstacle that is against their values. When it's 'a fine day to exit', it could be a sign of their development. They could be learning to distance themselves from negative influences. Maybe they've been in a group where certain actions are anathema to them, and deciding to exit is part of their journey towards self - discovery and moral growth.