That's true. They think that his temper must be bad if he got angry in front of them. He gets angry less than once per month and it's always when he's stressed which he is with my family because he knows how close we are and he is terrified they won't like him.
They believe that he is inflexible because he did not seem as willing to do everything my family wanted to do while they were visiting. They believed that as they are visiting he should do everything they want. However he did not go to all activities and places we wanted. My family also only wanted to spend time with me with him out of the picture while he wanted to spend time with us.
They believe that he always has to be right in that he can't let go of things. One example would be that my sister recommended a physical therapy method for me to try on an injury and he is in a doctorate program for physical therapy and said that method is not possible/ helpful with my specific injury and my sister thinks that means he always has to be Right because he does things like that often.
He is one of those people who believe he wants what's best for people when some people just want to be left alone. One example would be that he is highly athletic and always asking me to exercise more often and might joke about my inability to keep up with him. He does not put me down in a vincrictive way but more so in the way that he wants me to be a better version of myself but there are times where he needs to let things go and accept me/ others. He also tells me I can do anything I set my mind to and is supportive of my goals.
Yes he does give the silent treatment. Not outright ignoring but unwilling to talk or do anything. It never lasts two days but it is known to ruin the rest of the day. Lately I have just been going about my buisness and not engaging when he gets like that.
Thank you for your questions and the effort.