He feels dull. Unable to achieve anything of merit. Pleasant but somewhat disappointing. Dull to speak to, even. Conversations often lapsed, but he had developed an extensive, almost self-generating, stream of patter and no one ever walked away. But he is dull.
This self-perception is, you might be beginning to guess, new to him.
He can’t be that dull, though, can he? He’s a politician, after all. People voted for him…