Well it has to be tough being cooped up in close quarters for any considerable length of time.
You should go for a walk, in the cool of the evening; just to appreciate YHWH's creation. Take some time to think about the gift YHWH has given you in your mother.
I loved my mother more than anyone else in the world. I had a very close relationship with her. As you have probably figured out, the more time you spend with someone, the harder you have to work to keep the relationship healthy.
My mother would frustrate me to no end sometimes; but I miss her so much, now that she's gone. Sometimes we need to step back to appreciate what we have. I took care of her as she died of cancer. One of our mutual friends didn't get the news that she had passed. We met on the street; and she said hi; and she asked me how my mom was doing. I gave her the news. Our friend worked with families of cancer patients. She asked me how I was doing; knowing how much I loved my mother. I told her of my pain. She said that she wasn't talking about that. She was talking about the abuse that I endured before my mother died. I asked her how she could have known about the abuse. She told me that cancer patients lash out at the ones they love the most. She knew how much my mother loved me. Even as I endured horrible abuse; I knew that I would miss her when she was gone.
These frustrating moments are moments of your time that are being wasted, with what little precious time we have.
I pray that YHWH will give you the peace and understanding, to find happiness in all that he has given to you.
Can you lovingly tell your mom that you are going to take a walk to reflect on all the gifts that YHWH has given you?