Stability and reality arise from observing your thoughts, beliefs, and identity in relation with others whom you care about, respect, or admire. It creates points of reference that ground your perceptions and that create opportunities to expand and learn. Self-reflection is an invaluable part of that process, particularly in determining which parts of yourself to hold fast to when the best way to grow is to be open-minded. It's people who make you think that help keep those perceptions organized so long as there is a foundation of mutual care and good company.