✅ They hear each other
✅ They have their own feelings and ideas
✅ They exchange ideas and therefore achieve a good comparison
✅ They ask each other questions instead of making assumptions
✅ Disagree and accept each other's differences without fear
✅ They adapt to each other
✅ They fight for what they consider "right" and "good" for everyone
✅ Start, develop and finish a discussion or event and then let it go
✅ They share pain, curiosity, regrets, grievances, tenderness - a variety of needs and desired
✅ They learn to accept "yes" with gratitude and "no" with respect, without subsequent long-term resentment.

Which ones do you agree with? Is it possible that you can add more of your features and we will check it?)