I think it masks the real better because not everyone should speak frankly. For example, a friend to eat rice, saying that he doesn't want to go, it doesn't look so good, it should not say too straight.
I think that hide the truth better. Because not everyone should speak frankly example, invite friends to dinner. I did not want to look bad, so it should not be too straight.
I think that hide the truth. Because everyone should not talk openly, for example, a friend invited to eat, said he did not want to go, it looks bad, so should not be too direct.