[DesautocaD]

I've had this experience quite often, wanderer. There are a lot of possible explanations. Sometimes the others simply can't think of anything to say because what you said resolves all their questions. Sometimes maybe you've simply exceeded their knowledge on the topic, and for them to say more would be to reveal their ignorance, which is embarrassing to many. Or maybe they just agree with you and don't think anything more needs to be said about it.

It's hard to say for sure, because not having a response means you're working with very little information. If it happens to you very often, maybe others think you are very smart.