I can't help it, I'm afraid. I'm terribly sensible and charming.

[ In the tone of a joke, but also only kind of. There's a short pause; when he speaks again, his voice is sincere. ]

You're not wrong to worry, Nikos. But we've handled worse than this, and I have no doubt that we'll handle worse again.

[ Just to make it extra clear that the teasing's for his benefit, and not (entirely) at his expense. ]