Most humans have customs that we do not even notice a lot of
times. These nervous habits or "tics" are presented frequently, as
their name indicates when we are nervous.
Almost all those tics that people have are made automatically.
People are so distracted with something else that their body can carry out
movements without being noticed. People who suffer from these tics have to be
aware of them by other people who point them out. Have a look at this below…!