Sometimes it happens like you want to say NO but can't do it because you hesitate to say that. Do you know that there are so many ways to say this word? All of us avoid the situation to say no because in all the countries this word is considered as a negative word which will embarrass people. It appears to be an impolite word which people wantonly avoid.
We have faced such situations many times in our lives. Our children might have tasted not very tasty food which we prepared, but, they say it is yummy. It is just because of the fact that our children don't want to say that unpleasant negative words to hurt our feelings.