but red or blue shirt becomes less important. >> yeah, so events nonemotional take the backseat, and there's an evolutionary reason why. we have to be able to remember things in our environment that threaten us and are dangerous to us. what color it was and when it happened is less important in the fact that it's a threat. >> i have been fascinated because i am the same age as christine blasey ford and i remember being 15, and i remember certain parties, vividly. i remember who was there and i could tell you basically what date they were. is there something about being a teenager, is there something about that time where our transmitters are more open and things are indellbly seared in our memory, or is that just me? >> there's a little of both. teenagers are notorious