Sounds to me like he has become too egotistic. He thinks deep down that he does more for you than you do for him. I sense that things will get rough soon. There is a high chance he will become more and more demanding until you won't be able to take it no more, unless you have a serious talk with him.
The best thing that you should do is make a list with what you do and what he does, every single day. Compare that list with his. If he still doesn't understand, propose to swap duties. Also, it sounds to me like you have a poor sex life. The reason most men become unreasonably demanding is when their woman starts loosing that feminine aura. Since you have so much work to do in your life it's almost impossible to maintain that positive, feminine, playful attitude.
So your situation is extremely difficult since he needs to wake up and become that strong man who remains connected to his woman's heart and not waste his entire energy to his business and you need to give up some duties to take some time for yourself, to enhance your beauty and your womanhood. There is no other way around this.
The more you postpone that, the more he will treat you like a friend, like a buddy and not like a woman. Once a man treats his woman like friends or a business partner, things get ugly. He starts bossing you, become demanding, challenge you for leadership, put on your place when is totally unnecessary.
"A life which is unexamined is not worth living"
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