Please carefully to finish the following steps: (1) staring at my ID 3 seconds (2) the next, staring at the head of my 3 seconds (3) them all to remember by heart (4) close your eyes and try to recall to mind, see if you remember the (5) not remember to repeat the above steps, until finally remember remember 6? Won't forget again? That good, you can go away, I've come to mix of familiar face