What is the secret of a long lasting relationship ?

https://www.facebook.com/myNaijaGist/posts/420277721416512

I was asked by a friend what the secret of a long lasting relationship was->that one that leads to marriage and beyond and i said TRUST, but then again...which is it?

1. Trust
2. Communication
3. Tolerance
4. Understanding
5. Honesty

or... for the good peeps out there, what has kept your relationship or marriage alive?

Well on our facebook page: here is what people had to say: https://www.facebook.com/myNaijaGist/posts/420277721416512

What do you think?