What does this sentence mean?He got this zen look on his face.<br/><br/>It appears in the following context:<br/><br/>-- Hey. So, what did Carl say when you confronted him?<br/><br/>-- You'll love this. He said."it doesn't mean anything. It was just sex."<br/><br/>Yeah, and then he got this zen look on his face, and he said, "you know, Susan,most men live lives of quiet desperation."<br/><br/>Thanks.