The JWS' abuse the word 'selfish'. Having a healthy self-interest is a necessary thing. If I don't take care of myself, I cannot help others.
It's being self-absorbed that is unhealthy; that is, self-interest to the exclusion of all others. It is called narcissism. Many devout JWS exhibit this trait, often those with a 'victim mentality'.
The Jehovah's Witness cult teaches its victims that any act or thought that pleases one's self, is 'selfish' and not truly showing love to others. It's one of their particularly warped teachings that promotes self-loathing on a deep level.
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