The counselor should lose their license. Open marriages have a higher divorce rate and shorter lifespan than monogamous commitments and that is a simple statistical fact.
I'm a Male in my 60s I guess some may regard me as somewhat vanilla. I love younger women. As young as is legal, that is. I love other men's wives. I don't mind cuckolding a married woman's husband, but I'm not into degrading or humiliating him, or standing by while his wife ...