I’m only 26, and I wouldn’t say I know much about relationships. Some have been good, and others have been bad. But from what I have learned, the best ones are those you put the most work into. While you shouldn’t be with someone you are constantly screaming at, fighting in a relationship isn’t a bad thing, and can actually be necessary to maintain a healthy one.
A woman I look up to once told me a story about her being separated from her husband. One time she was on the phone with him in front of her sister, and things were getting heated.