Throughout much of a child's life, they're encouraged to speak. Throughout much of a teenager's and adult's life, they're encouraged to say little or nothing. It's no wonder we find ourselves confused sometimes. It's easy to say nothing when we know we ought to speak up but there are undoubtedly times when we do need to say something and now is such a time for you. Don't believe you have little to offer a particular conversation or negotiation. Say what you know needs to be said.