Answer:
The environment challenges him by making him dehydrated and both mentally and physically hurt. “Uncle cautioned him to make the water in his gourd last as long as possible. It was the hardest thing Salva had ever done, taking only tiny sips when his body cried out for huge gulps of thirst-quenching, life-giving water.
Basically if I say the word stupid that would have a bad impression so it's negative, but if I change it to struggling/needs help it would be either neutral or positive
