Food for thought - what makes a 'match made in heaven'?

This is my winter holiday essay homework - lol!

What makes ‘a match made in heaven’?

1. Both are independent as an adult.
1. Be comfortable about themselves.
2. Do not need to rely on the other person to feel good about themselves.
2. Both are committed to each other.
1. Have the same goal to stick together no matter what.
2. Solve problems for that goal.
3. Trust each other and willing to give each other some alone time.
3. Communicate with each other believing in the power of it.
1. Communicate with each other about not only bad things (problems) but also good things (gratitude).
2. Express concerns/issues logically and respectfully.
3. Listen to each other without interruption.
4. Willing to come up with solutions that will satisfy both.
4. Be good friends (‘click’ with each other)
1. Similar values in finance, family plans, religions, place to live, work-life-balance, lifestyle.
2. Have a common interest that they can have a fun conversation with for hours.
3. Be open to trying new things with each other. 

I'd love to hear others opinions, regardless of their relationship status.  Is there anything else that you think you would like to / make habit of doing to keep a healthy relationship? 

Happy reading and writing!