There is no such persons in my life. I always tell what i think. It bewilders people and sometimes comes out bad for me, but it's a part of my life. My friends know me as an opened and honest person, the people who think it's stupid or wrong to act like that don't become my friends and mostly think i'm crazy. I will let them. They do not worth it.
The only thing i can never tell to a person is a thing that will ruin his good feelings to someone and will not bring me gain. So i save this and try to forget. I can't make everyone happy but at least i can afford myself not to make them unhappier.