I know this is not very Christian-like, but it's the only thing that made me laugh after my husband left me for an older, extremely unattractive woman. It was a lesson for me that no matter how beautiful you are on the outside, you cannot make someone love you.
Be a once in a life time partner - male or female. Be love filled, grace filled, joyful, a hard worker who shares in the burdens or carries them awhile your partner is not able. Shower them with kindness. Laugh often. Be other focused. Supportive. Communicate lovingly. Be respectful. Proverbs 31 woman. Relationship / marriage - always be the best you can be.