Hello everyone in this module we will talk about the facial expressions of sad and happy. That is the most challenging especially to be fake compare with others. The significance signal offset our polling owned lip corners, we think of the inner corners of the eyebrows. When people intend on suppressing the sadness will only show the lower lip push up and ours or only show the movement of the eyebrows. Last watch the micro especial offset. On the other hand, Happy is the easiest expression to be fake.

The typical signs of happy are the lip corners and Chin's po up. The most all around the eyes have been activated. Some people try to fake a smile without activate a muscle around the eyes, which is very easy to observe, not a genuine enjoyment. Let's watch the micro expression of happy