What in hell does that phrase mean? Perhaps, unconsciously, i.e. automatically, he uses such phrases to help relieve himself of stress?

If Silverfox has never suffered from stress, that will be because has either forgotten when he did or is addicted to bravadoic behaviour, perhaps both.

There is stress between the Palestinians and the Israelis, and in consequence much among both. In another part of his brain, a part that he was not troubling himself to recall and put to work in making his post useful to anyone but himself, Silverfox knew that and still knows it. In other words, his post was not very presently authentic: he wasn't putting much of himself into his post.

Did it contain much honesty? In relation to this, is the following definition of honesty comprehensive enough?

Honesty: The discipline/capacity of avoiding either inaccuracy or deception and of being reciprocally open about intentions