Ok first off, you’re not insane.
Maybe it was your body telling you that this was not the best moment for a pregnancy. (I suppose you went to a doctor to check if there’s another reason, cause if not, then you should.)
How is his behaviour when you are not in your house? Does it feel different?
It may be easier said than done, but keep your cool. I’ve spent a lot of time in a house with bad energy myself, and I know it can be really devastating.
A method I use when I feel negativity crawl up to me: I imagine an egg made of light all around my body, it has no holes or cracks,and it can’t be broken. I then imagine all negative thoughts, feeling and influences (also sickness) leave my body and this egg as dark mist, or dark rays. If they try to come back in, they can’t pass the egg, they can’t enter.
It’s a quite “simple” method, but it helped me since childhood.
I also suggest you learn how to banish yourself, so that you are not dependent on other people and feel more empowered.
Have a look at this:
Try and practice a method that seems best for your case.
Remember that you have all you need to solve this inside you.