Costumers are SO SLOWWW

Everytime I shopped at walgreens I used to get so mad that the line would take forever. It was always incredibly long too. But now that I work here I figured out the problem is the costumers. Doesn't matter how quickly I go through the "Find everything alright? Would you like a bag? Do you have a walgreens card? Your total is xxx." It's THEM. They wait years to type in their phone number. They rifle through their purses and backpacks looking for ID instead of just having it out and ready. They don't listen when I tell them their card is in wrong. They don't pull it out when it says to. When they bring their own bag, they wait until the entire transaction is over and I've said, "Alright have a nice day, can I help who's next?" to start bagging. Some never even look up from their phone and go "What? Huh?" every time I tell them something. Oh my god.