I see two overlapping problems with application of litany of Tarski in this context.

First. Litany should be relatively short for practical reasons, and as such its statement is simplification of real state of affairs when it is applied to complex system such as human and his/her social interactions. Thus litany implicitly suggest to believe in this simplified version, even if it was supposed to represent some complex mental image. And that leads us to

Second. Beliefs about oneself is tricky thing, as if they aren't compartmentalized (and we don't want them to be compartmentalized), then they shape our behavior.

Thus I think that in this case litany of Tarski implicitly suggest to become a simplified version of a person one thinks oneself is. And it doesn't seem too good.

I'm apparently awkward in social interactions (karma and even this post is evidence for this), so I'd rather abstain from suggesting alternative way of dealing with problems mentioned in top post.