This lady was at my under staffed store during happy hour. She ordered a couple things, nothing too crazy while I was quadruple tasking on DTO and DTR while having an injury that makes my waking slower than normal (it’s nothing major). I couldn’t hear a word she said at the window but she was shaking her head before I even said hello to her. I don’t know exactly what went wrong with her experience but she dropped her card when reaching to hand it to me. I don’t know if she expected me to jump out of the window to get it for her or have super human catching abilities but she stared at me for a second before unbuckling, opening the door, and finally retrieving the card. She started saying “this is ridiculous. I’m never coming back to Starbucks again” I handed her her order and told her to have a great day. I know it’s something small and even my manager told me not to stress about it, but it’s bothered me ever since. I’m wondering if I did something or said something to upset her. I wish I could have heard all of what she was saying so I could have made whatever problem she had right. I’m the kind of person who would bend over backwards to make a customer happy and have only received two complaints out of all of my different customer service jobs. I’m sure I’m not the only person here who has experienced something like this but it sure feels good to rant about it.