Nova had some fresh tomatoes and leafy greens at home, and she was planning to cook up a tasty tomato and egg stir-fry with a side of crisp veggies—a healthy and budget-friendly meal.

Just as she was about to suggest heading home to eat, a familiar stink caught her attention.

Her eyes sparkled as if she'd found a treasure. She quickly turned to Tristan and excitedly shouted, "Stop the car! Pull over!"

Tristan, who was focused on driving, was a bit confused by her sudden ...