Marriage, ultimately, is the practice of
becoming passionate friends.
- Harville Hendrix
This day I will marry my friend,
the one I laugh with, live for, dream with, love.
- Anonymous
Don't marry the person you think you can live with;
marry only the individual you think you can't live without.
- James C. Dobson
The formula for achieving a successful relationship is simple:
you should treat all disasters as if they were trivialities
but never treat a triviality as if it were a disaster.
- Quentin Crisp
Further reading: What is Love?
7 Secrets of Happy Couples
You Can't Make Them Change