Ive been wanting a 3sum with hubby...

So hubby And I have talked about this for a long time. we used to be part of fetish clubs to experience new things only with eacother...no one else. we have a very big communication,loyal trusting relationship with one another. I am bisexual. always was since I my teens. My husband, no. although, he wants a 3sum too. we talked about three sum..mainly we want to swing. we have been talking about this for years. we are interested experiencing "couples swinging basically. wanyone ever try this with your spouse? we are married 6 years,dating total 91/2.