I found a pack of cigarrettes in my brother's jacket the other day, and half of them were gone 
I'm not sure how I should counsel him. Should I talk to my pastor, or should I just throw them away and not mention it or what?
I feel like smoking is a sin, and although he's saved, I still don't want it happening, you know?
What should I do?

I'm not sure how I should counsel him. Should I talk to my pastor, or should I just throw them away and not mention it or what?
I feel like smoking is a sin, and although he's saved, I still don't want it happening, you know?
What should I do?