thinking of splitting up

Hi First time on here as I was looking for someone to share my thoughts with as I have no friends to talk with. So I have been with my partner 12 years, 10 living together. I have a boy from previous marriage now 23,,he as never married althrough as had long term relationships in past. The past 2 years we havnt really been getting on, I have had another episode of anxiety/depression.although at the beginning he as very supportive and helpful. In this time he was working and really didn't like his new manager post,it was making him I'll with IBS headaches headaches tiredness General unwell feelings. I supported thought out this,it turned into him having an ocd about his health to the point It used to drive me mad all the time on the internet looking at symptoms! What he had! Cancer,thyroid problem,parasites,diverticulitis etc etc. He as know finished work he left with a pay out,and is on esa benefit. This now as slowed down and I am very much better with my anxiety. But now we are both at home all day,he will go and do a small shop what Is needed for that day.asking me as soon as I wake up what do we need aghh. He gets up at 8, and I because I don't sleep well about 10. He will only do certain things in the house like. Small shop washing Hoover rug living room Cut hedges,cut grass. Wash pots after tea clean kitchen. I have to do everything else! This is really getting to me now as he will sit there till tea is ready but yet tells me it's five o'clock or put oven on. Never dream of taking off bedding and washing it,Hoover upstairs,make bed or clean shower even though he as 2 showers day. Never cleans Windows,nothing more than list above. I feel like I am a housemates/cook. Please tell me honestly am I being unreasonable??? As I am getting more angry the more I think of it. We are always arguing now,and he will put me in Coventry all night and just go on the laptop then go to bed and leave me downstairs. It used to bother me,but now I am used to it so carry it on. This is not how I want to live arguing most of the time over silly things,he also says about my son when he starts to do things I will but my son work's all day he is at home all day. Am I unreasonable???

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