class. there was another point on cross. the defense attorney, don west, was questioning this witness about self-defense and what it meant and if you had to have any extensive injuries to be in fear for your life. george zimmerman reacted to that testimony. i will play you a part of that testimony now. >> but the fact that there with wasn't an injury wasn't an imminent danger of fear. >> you don't have to wait until you are almost dead to defend yourself? >> no, i would probably advise you don't do that. >> i take it when you are under attack, you never really know where that moment will be? >> no, unfortunately, you don't. >> i don't know if the jury actually saw zimmerman's reaction to that. i don't know where the jury is sit physical relation to the defendant. sometimes the jury can see expression on faces, he has been so still. it was surprising to see a change of expression, drew. >> absolutely. here's the thing about alexis