Do you ever walk up to someone in uniform and say "thanks for your service"?

No, but I have said, "Yes, I would like fries with that!"

No, but I have bought a few a drink and said that.

Yes, to police officers, our military. They are loved by someone and I appreciate their sacrifice of their life and their families to protect me and serve our country.

No...

I have done that every once a while.
Belt forces would always remain dear to me.

Yes, I do. I do appreciate their service and sacrifice

No but i know people who do