And you wish to be civilized.
Your journey starts now.
Step 1: Open the bag.
NOW you would like to consume the tasty snacks, so thusly you must open the bag and free the deliciousness from its mylar prison.
The commonly chosen methodology is to pinch the seam on the back of the bag, and the frontspiece similarly and gently but firmly pull the plastic apart. This will open the bag easily and prepare you for step 2.