I used to think that responsible citizens should not fear violence to themselves if other people are being hurt for political beliefs, and go help. I was okay with it, and my husband was okay with it, and we knew and respected this about each other.
Yet when a situation arose when we could go help, with risk of death and injury was orders of magnitude higher than usual workday levels, I asked him to let me go, and he said, if one of us should go, it is not you. (The other would have to stay to babysit.) And so neither of us went.
I think I changed my belief about the relative value of beliefs then. Before, I would have sincerely said that what an (adult) person thinks about themselves should have more weight in determining their actions than what others think about the person. Now, I don't seem to have a sincere answer.
Our beliefs aren't just cargo that we carry around. They become part of our personal identity, so much so that we feel hurt if we see someone attacking our beliefs, even if the attacker isn't speaking to us individually. These "beliefs" are not necessarily grand things like moral frameworks and political doctrines, but can also be as inconsequential as an opinion about a song.
This post is for discussing times when you actually changed your mind about something, detaching from the belief that had wrapped itself around you.
Relevant reading: The Importance of Saying "Oops", Making Beliefs Pay Rent