Hannah really is a whimp, but her way of dealing with being afraid is to pretend the thing she is afraid of doesn't exist. Tucker will bark at what he is afraid of, but Hannah looks the other way. It is funny to see her in Pet Smart when she sees a really big dog. This is where we figured out her way of handling stress. Normally she will go up to a dog and do the sniff and greet routine, but someone a tad too large for her gets ignored as she heads in another direction.