Is non-monogamy a viable option? Of course—but not for everyone. It is NOT a good way to fix a broken relationship. And it takes lots of thoughtful communication.
And is poly really a sexual orientation?
Many therapists are not sexually literate—and they can harm people unintentionally. If your therapist seems uncomfortable talking about sex, challenge them—and perhaps replace them.
In a word, no. The problem is, I see a lot of couples in which one partner is caught using Match, or Tinder, or Ashley Madison, or some other dating/hookup website. Partner B flips out, accusing partner A of cheating, or wanting to cheat. Partner A denies it, but doesn’t sound convincing: “Uh, I was um, you know, just looking around.” Sometimes that’s nonsense—A is cheating, just as B suspects. But frequently, A is window shopping. We all do it—we look at ads for things we can’t afford, look in shops at things we’ll never buy, look on EBay at…