Microexpressions

As humans develop, they get acquainted with reading facial expressions. They can tell whenever the other person is happy, sad, disgusted, and so on just by looking at their faces. However, these expressions can also be faked and humans also grow up knowing how to subtly fake them. These expressions that are worn on the human face for a long time are called macroexpressions. Since they are not so involuntary, they can be faked and thus cannot be fully relied on. However, there are expressions called microexpressions. These are involuntary and cannot be faked or controlled. They are caused by emotions deep within when they trigger and cause unanticipated muscle twitches on the face. These expressions are short, do not even last a second, and are almost impossible to control. They manifest over the macroexpressions that one can wear for a long period to fool other...