Partners of Adults with Aspergers

Are there any partners of adults with Aspergers, diagnosed or undiagnosed, who can share experiences? My husband is  undiagnosed but we both think he is on the spectrum. Communication issues cause most of our arguments, that and the fact that he is quite blunt & I find things he says quite hurtful. 

He does not accept that our problems are down to Aspergers even though he acknowledges that it causes many issues in his life. He think the faults lie with me & that I am difficult to live with. 

I would be good to hear from others in similar situations.