We become very good at lying to ourselves as JWs. For me, it started with telling people I preached to that I was just there to share a message from the Bible and wasn't there to convert them. I could justify that by telling myself it was in the householders' best interest.
This kind of thinking could devolve into the absurd. For example, there was a guy in my congregation who once told a householder that JWs did in fact believe in the trinity. I was in shock. After the conversation ended, I asked him why he would say such a thing and he responded that a circuit overseer had once told him it was okay to answer this way during early visits because Jehovah didn't want us to scare away anyone who was otherwise rightly disposed to the truth.
After leaving the JWs, I began to see it as a spectrum ranging from clever word placement intended to convey a message contrary to the one we actually held (Do JWs believe only they will survive Armageddon? We don't say that. Only Jehovah can judge), to lying when the other party doesn't deserve the truth (was once called theocratic warfare in the publications and justified by citing Rahab as an example), to outright lying when it was viewed to be in the religion's best interest (such as the guy telling the householder we believed in the trinity).
I was comfortable with word games, but never truly became comfortable with theocratic warfare or outright convenient lies. The issue, of course, is that once you become comfortable lying to others, it becomes easier to lie to yourself.