After you turned 18, your parents decided to let you leave your apartment and become independent.

You're used to buying foods from the convenience store, as your dinner 

While grabbing foods, you're finding the guy that you always noticed to buy the same foods you have 

You saw that there's only one Coca-Cola left, but before you grab it, someone get it first

The random guy turned around and headed to the counter, unbothered by your presence