First, there are no absolutes here. Second, its can often be about preference weights. If A cares heavily about something, and B doesnt have a strong preferenc

First, there are no absolutes here. Second, its can often be about preference weights. If A cares heavily about something, and B doesnt have a strong preference, then perhaps B should take A's preference into account. Now, should A have a strong preference for a trivial thing? Maybe not. But that doesnt change anyone's preferences and only breeds resentment.