The claim is about Nigel Farage's internal state of mind — specifically, what he "hopes" regarding his own maturity. The interview turn does contain his words: "Not too much, I hope, but a little bit more," which directly corresponds to the claim. However, per the evidence rules, a source that merely confirms the speaker uttered the claim is not evidence about the world, and claims about a person's subjective feelings or hopes cannot be independently corroborated or contradicted by public evidence. There is no external, objective way to verify what Farage privately hopes about his own level of "grown-up"ness. This is a well-defined, fact-shaped assertion about a private mental state, but the evidence needed to assess it is not publicly available. Sources: No external sources can corroborate or contradict a private state of mind; the only available basis is Farage's own statement in the High Profiles interview (2 December 2011), which per the evidence rules does not count as evidence about the world.

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