Lydia took the bottle, smiling, "thanks for that," she said. She twisted the lid and took a sip, sighing in relief as the water soothed her dry throat. She stuffed the bottle into her bag as she looked at him in thought. "I just have a small pocket knife. We can check the camping section for any make shift weapons if you want?" She offered, stepping back from the aisle. 

She looked around, her eyebrows furrowing as she didn't spot any of the undead walking around. She was surprised, either they didn't hear the commotion at the entrance of the Walmart, or they were coming in uncharacteristically quietly.