Myth 2: People in open relationships have lots of sex with lots of people and take sexual risks. Not necessarily. For most couples, the reality of non-monogamy does not involve orgies every weekend. People in open relationships have jobs, families and other responsibilities like everyone else and aren't focused on finding sex partners all the time. The only difference is that if and when they do meet someone they are attracted to, they have the option of following the attraction without guilt. Interestingly, studies show that people in mutually agreed-upon, open relationships have lower rates of STDs than those who are simply cheating behind their spouses' backs.

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Myth 3: There must be something wrong with your partner or the relationship if you want to open it up. Many couples who choose non-monogamy are satisfied with their partners and value their primary relationships. However, they may feel that humans feel sexually attracted to many people in a lifetime and sometimes may want to explore their desires.

Myth 4: Opening up a relationship dooms it to fail. Occasionally, couples who are unhappy but reluctant to end their relationship may sometimes try and "open up" the relationship in order to shop around for a new significant other from the comfort of their current arrangement. This is a symptom of an already troubled bond and a misuse of non-monogamy. Many couples have found that an open relationship works fine for them when practiced correctly. That's not to say it's easy; jealousy, insecurities and dishonestly can wreck an open relationship easily, which is why you should choose to embark on one only if you know the risks. It's very important to have a solid, healthy relationship between you and your partner before venturing into non-monogamy.