Everyone knows that a genuine smile differs little from a fake one. “If it’s a very large smile and the lip corners are pulled up intensely then all of those signs will be produced by either a genuine or a non-genuine smile,” says Dr. Paul Ekman,
Everyone knows that a genuine smile differs little from a fake one. “If it’s a very large smile and the lip corners are pulled up intensely then all of those signs will be produced by either a genuine or a non-genuine smile,” says Dr. Paul Ekman,