14. He is dominant
When a man or a woman achieves their goal and becomes a millionaire, they have succeeded in conquering their world. Keeping the business running requires them to stay at the top of their game.
A millionaire must be a dominant person. Their job requires them to be. They cannot succeed by being submissive.
Your millionaire lover is likely to bring the same attitude to his relationship whether it is intentionally or not. Even if you think it is okay to be dominated, there will be a time when you just cannot take it anymore.
A simple problem may lead into a bigger one when it comes to two dominant people in one relationship. You tend to have issues with your ego.