Luke and Bobby looked like complete opposites. But the more they joked around the more they realized that they were still the best of friends.

Title: The Great Summer Swap Once upon a time, in a small town neighbourhood, lived two best friends named Luke and Bobby. Luke was slim and athletic, while Bobby was a jovial boy with an imposing physique. They were immensely different, yet immensely close - sharing everything from food preferences to geeky interests, except for the clothes they wore and their body types. One day, Luke playfully challenged Bobby, "Bobby, for every pound you lose over the summer, I promise to gain a pound!" Bobby's eyes twinkled, "So, you mean I could wear all your cool designer clothes and you will wear my comic tee's and boxers?" "And my stomach would be hanging out, just like yours!" added Luke, bursting into laughter. Bobby accepted the challenge without further ado, seeing it as a ticket to a healthier lifestyle, and let's be frank, a chance to wear Luke’s trendy clothes. And so, a unique pact was formed. Bobby worked hard, clocking extensive hours at the gym, watching his diet with utmost precision. Meanwhile, Luke had a field day, indulging in his favourite premium gourmet burgers, pizzas, and shakes - making the most of his 'fat-gaining' mission. By the end of the summer, both of them stood victorious in their endeavour. Luke, having gained quite a circumference around his waist, and Bobby, appearing almost mirror-like to the former Luke. Their weights had drastically altered, and with that, their wardrobe swapped too. Peering into each other's closets, they exchanged a look of hilarity and astonishment. Luke reluctantly pulled Bobby’s anime tee over his head, the shirt straining against his bulked-up physique. His belly spilled a little over the waistband of Bobby’s tighty whities, much to his chagrin. Meanwhile, Bobby stepped into Luke's preppy designer clothes, the threads hugging his new slim figure fittingly. The first day of school post-summer arrived. The buzz around the school was impossible to miss as Luke and Bobby walked in, almost unrecognizable. Gasps of shock filled the corridors as they passed. Some even failed to recognize them, for the transformation they had undergone was mind-boggling. In the end, Luke and Bobby learned an important lesson. It wasn't just about the weight gain or loss, not about the kind of clothes they wore; it was about developing a new understanding, a new appreciation for each other's predicaments. It did strengthen their bond, making them realize that they weren't just two friends whose body types had changed; they were two friends who'd walked a mile in each other's shoes - or in this case, clothes and bodies.