"Friendship is a very taxing and arduous form of leisure activity"

The text is highlighting the idea that relationship, although fulfilling and pleasurable, can likewise require a lot of effort, time, and energy. It highlights the reality that keeping healthy and significant friendships includes dedication and commitment, comparable to the effort needed for recreation that are physically or psychologically requiring. In other words, relationship is not merely a casual pastime, however a serious and challenging pursuit that requires considerable financial investment from both parties included.