 It is not a controlled action nor does expressive suppression involve the manipulation of voluntary expressions, it is only manifested in the absence of expression (Buck, 2003) .
<coherence>  It is not a controlled action nor does expressive suppression involve the manipulation of voluntary expressions, it is only manifested in the absence of expression (Buck, 2003) .
 It is not a controlled action nor does expressive suppression involve the manipulation of voluntary expressions, it is only manifested in the absence of expression .