There are two ways to look at five clinging aggregates. They may belong to self or they can be the existence itself.
As peripherals for existence, one is unable to control them as one wishes so that one will not be afflicted. Ultimately, one will perish one day.
As the existence itself, it is conditioned, willed, dependent originated and, hence, impermanence. It follows that one couldn’t satisfactorily seek security in it and deemed it as self.
