一 Following Jane's way of studying chimps, our group are all going to visit them in the forest. 二 Jane has studied these families of chimps for many years and helped people understand how much they behave like humans. 三 This means going back to a place where we left the chimp family sleeping in a tree the night before. 四 However, the evening makes it worthwhile. worthwhile worth worthy 六 Only after her mother came to help her for the firs few month was she allowed to begin her project.