DH is amazing and wonderful and perfect in every way - I love him so much and he's lovely. We have 1 DC and DH is an incredible father. DH has always been a little bit stubborn on thinking he's right but usually listens to logic and it's over (small things like being adamant that a book was written by a certain author for no apparent reason). He never really admits to not knowing something and seems to just guess and then seems to be certain in his own mind that his guess is 100% correct unless he's shown proof to disprove his guess, even though it's just a guess.
Anyway, recently, this has stepped up and it's really causing problems for us. As a background, I have epilepsy and I don't suffer with episodes anymore but it used to make me black out for long periods of time and not remember conversations or events - so I think I might be overreacting because of that. Basically, DH has begun to start trying to convince me that he hasn't said or done things so he can be right all the time.
One example: We've recently bought a house and in every house we looked at DH would inspect all the walls because he seemed to think if they'd painted over wallpaper it was because they were covering up damaged walls behind it. He didn't want to buy a house with wallpaper because he said it was a really horrible, tiresome job to strip wallpaper and repair the wall for painting. We ended up buying a house with wallpaper everywhere but we adored it. The whole way through the sales process DH banged on and on and on about how much work it would be to strip the wallpaper. Over the last week or so we stripped all the wallpaper and one wall does have some damage behind it. Today, my DF came and said to DH to just cover the damage with lining paper and paint it. DH then came to me all victorious (after DF had left) and said what DF had said and that he was therefore correct that the only reason people would paint over wallpaper is to hide damaged walls. I responded that it's not the only reason because the other walls aren't damaged and surely some people just can't be bothered to strip it before painting. Then he said that my response didn't make sense because stripping wallpaper was really easy - and then completely denied ever saying that it was a tiresome or laborious job. He has said this HUNDREDS of times over the last couple of months -- he spent a long time looking at steamer reviews etc. When I said "well, what about the other, undamaged, walls?" he then said he never said it was the ONLY reason why people paint over wallpaper, just that it was one reason - except that the entire point of him bringing it up was to say it was the ONLY reason. And he completely denied that he'd ever said that. This went on for quite a while with him going back and forth saying half the time it's the ONLY reason people do it and half the time saying he'd never said that and also half the time saying it was a really awful job to remove wallpaper and half the time saying he'd never said that - sometimes within about ten seconds of saying each one.
I ended up getting more distressed than I've ever been in my life and telling him that he's a liar and literally sobbing on the floor of our bedroom - which is completely insane! He began to do the same thing just before bed about reviews on the internet (he said something and when I pointed out he wasn't correct started to completely deny that he'd said anything) so I went into the spare room to sleep. I just don't know what to do. I'm questioning whether I've imagined half of the stuff that he's said or if he's intentionally messing with my head - or if he just wants to be right.
What do I do?