Traumatic brain injury can happen in an instant-now, over 5 million Americans face lifelong disability. Will you know how to respond when it strikes someone you love?What if your spouse suffers confusion and aggression after an accident-can your relationship heal?How do you know if a blow to the head caused more than a temporary headache?What recovery struggles might someone with a severe TBI face?How do you parent a child who's no longer the same...