Painful relationships can take an emotional toll after countless heartbreaks and aches. It is so beautiful to be in love, but not everyone has the best luck with find the perfect one worth it all. Once let downs like this happen, it can be hard to muster the courage to open your heart and try again. Or once you do start dating again, no one potential love interest ever seems to fit the bill. Any of this sounding vaguely familiar?

No matter how much love is shared between a couple in the beginning, some unions just aren’t meant to last. Although there are so many reasons why two love birds should stay together, there are some pretty unavoidable pitfalls every married couple has to overcome to make it last forever. Check out these 11 reasons why marriages are scientifically doomed to fail.

First of all, let’s establish that having high standards in relationships is not a bad thing. Everyone deserves to be happy, and everyone is free to define what that means for them. If that means that you won’t settle for anything other than a doppelgänger of your favorite movie star with the personality of a saint — so be it. It’s all good. It only becomes a problem when you don’t realize that your standards are too high. And if they are (and you don’t), hopefully this article can help.