This situation has too many red flags. Don't ignore them. I seriously think you should free yourself of this. You rank third in line behind the dog??! No. That is not acceptable. (I love dogs, but ffs!) Besides, inflexible people will not take your thoughts and feelings into account. After all, they "know best". Except they don't. These are the same people who are "my way or the highway". I strongly suspect any "complexes" his exes had were brought on by this unhealthy dynamic.