Life is full of problems, and we have to deal with them, which sometimes is not easy! Misunderstandings do happen, and good communication helps to clear up those misunderstandings. As you said, Crisi, it doesn't help the marriage partner feel more secure to tell him/her that, "Let's get a divorce," or "I am going to leave you, if you do that again," and other such things. It helps the relationship if the words divorce and separation are not used.
A lack of kindness and saying harsh things is a form of abuse, and is cruelty. When unkind things are said, it is easy to be affected emotionally. I have had problems since living here, because I have had unkind things said to me, and without cause, and then the person involved has refused to be forgiving, and it has caused problems in our family. They think I have been offensive, but they have refused to be forgiving, and they have carried grudges for years while we have lived here. I have spent so much money setting up to live here, that I can't afford to move anywhere else, so we are kind of stuck. The person involved doesn't want to be around me at all, and that has helped me because she is not over her constantly upsetting me, and I hear what you are saying, Crisi, about being affected emotionally. When someone is mean to me, I feel weak, I shake, my voice is affected, and it literally knocks the life out of me. Like I say she is not over her constantly making me feel badly, so I am much better off. I have to give it to the Lord, because it is the other person's choice to stay away from me, and not want me around her either. I could explain everything, but it would require 100 pages! Basically it involves our daughters. I have helped our youngest daughter, and the other two resented that, and that is what it is all about. The one twin has resolved things with both me and our youngest daughter, but the other daughter is determined to remain hateful both towards me and her youngest sister, and all I can do is be forgiving and leave the rest to God. Then it is between her and God how she feels about me.