Answer:
I look at you, you look at me, I raise my right, you raise your left
I'm often served as a "rack of ..." I'm often smoked or grilled, with bones in, and slathered in BBQ sauce.
It is a popular afterlife destination where you want to send people when you're mad at them.
They are two brothers. However much they run, they do not reach each other.
It flavors your food and divides the year up. What is it?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?