ISFJ types need time alone to re-energize. They are self-sufficient, independent thinkers.
They are very observant and prefer to focus on the details of every situation. They listen to and follow past experience and present understandings.
Guardians prioritize the emotional needs of others. They make decisions based on what feels right, rather than what might make most logical sense.
They also prefer structure and organization, tending to follow rules and processes to an end goal. They are responsible and have a strong work ethic.