- That I ask a question.
- That I am actually in doubt as to what the answer actually is.
- That you are capable one way or another to speak. (Read into that as you like.)
- In one way or another you answer the question before I could even ask.
- You have so many constructive things to say anyway.
</li>Sometimes, no means Know.</li>
Besides, why say no until you know the full extent of the question? I can ask some very detailed questions.