Leery Attachment Replies, Page 176.

In contemporary society, a human life inevitably goes through one or two crises of self-doubt. It's hardly surprising, therefore, to find at least one establishment in any major European city which is open all night.

Most of the people Bruno had encountered in his life had been motivated solely by the pursuit of pleasure -- if one includes in the definition those narcissistic pleasures so central to the esteem or admiration of others. And thus different strategies are adopted, and these are called human lives.