A "green flag" in a person refers to a positive trait or behavior.

 A "green flag" in a person refers to a positive trait or behavior that indicates a healthy and potentially good relationship, signifying someone who is trustworthy, supportive, respectful, communicative, and generally exhibits positive qualities you want to see in others.  Examples of green flags in people:      Good communication skills: Openly expresses their thoughts and feelings, actively listens to you, and is honest and transparent.   Respectful behavior: Values your opinions, treats you with kindness and courtesy, and doesn't put you down.  Reliability and responsibility: Follows through on commitments, shows up on time, and can be counted on.  Supportive nature: Encourages your goals, celebrates your successes, and is there for you during tough times.  Empathy and understanding: Can see things from your perspective, tries to understand your feelings, and is considerate.  Positive attitude: Maintains an optimistic outlook, is generally cheerful, and brings positive energy to interactions.  Healthy boundaries: Respects your space and needs, and doesn't try to be overly controlling.  Open-mindedness: Willing to consider different perspectives and is not close-minded.  Good manners: Shows basic courtesy and respect towards others.  Self-awareness: Recognizes their own strengths and weaknesses, and is willing to work on self-improvement.