Have you ever looked at your star signs to see if you and your other half are considered compatible?
If so, do you find it accurate?
Personally I do find it accurate - I'm a Libra, DH is a Gemini. We are considered a great match. I've also been in a previous long term relationship with a Gemini and although that didn't work out (he just wasn't a great guy), it was one of those 'easy' relationships where we rarely argued.
Here's a chart below (not sure if it'll post clearly, but these things can easily be googled).