No, I say sir to everyone, even those younger than me, out of respect
You are my brother, & I would love to visit you whenever I'm in Pakistan. Are you currently in Zhob, or somewhere else? I really want to visit Balochistan soon.
See as far as I am concerned, there will always be difference of opinions between us. That is the fun of it.
Knowing how the other party thinks from the views of their rational and expressive people is what helps one to understand their underlying motivations. That is really gratifying.
There are not more than 5-6 people from your side whose post I look forward to reading. You are near the top.