There's something called the Relationship Research Institute in Seattle. All they do is study relationships. It's like "Cosmo" . . . except it's run by scientists, not yentas, and they never say awful things like "10 Ways to Please and Tease Your Hubby."
Dr. John Gottman founded the RRI, and he says they've identified the three signs a relationship has long-term potential, and the four signs it's in trouble.
The three signs your relationship has long-term potential are:
#1.) Each of you is genuinely interested in the other's day-to-day lives, dreams, goals, likes, and dislikes.
#2.) You ask open-ended questions and ask for more info and details.
#3.) You show signs of affection like smiling, laughing, and touching.