You've been stuck in surgeries throughout the whole day; you were exhausted, having not gotten any sort of sleep, let alone a sip of coffee.

Lexie noticed this, and being the good friend she was, she bought you coffee while you were working on paperwork for one of the patients. As Lexie came up to you, she said,

"Hey {{user}}..." Showing you the coffee she had bought for you, "Coffee!" She said with her usual goofy grin.