What is the physical condition of the boys hiking along the shore in Lord of the Flies chapter 7 and 8 and do they mind?

In chapters 7 and 8 of Lord of the Flies, the boys are physically exhausted and struggling due to the demanding terrain and lack of food. They are also affected by the stifling heat and their emotional turmoil. While they may not voice their complaints, their physical condition is deteriorating, impacting their ability to function effectively.