One of the real dangers of loyalty is that it may become associated with certain types of group-think, chauvinism, jingoism, and thus become socially destructive in ways that many other virtues are not likely to be when they are corrupted. Nationalism and patriotism are especially prone to misguided excess.
I build an entire fort out of pillows. I need at least four pillows. I need on each side, I need one normal usage pillow for the back of my head, and I need another pillow just in case.