docs: def age(self):
          """
          :returns: The age of the user associated with this profile.
          """
          if self.is_logged_in_user: 
              # Retrieve the logged-in user's profile age
              return int(self._user_age_xpb.get_text_(self.profile_tree).strip())
          else:
              # Retrieve a non logged-in user's profile age
              return int(self._age_xpb.get_text_(self.profile_tree))