U.S. reporters have been slow to appreciate just how dramatic boost in confidence that Donald Trump has brought to the economy since his election.

But their British counterparts are ahead of them on this – as they often are.

Take Gillian Tett, chair of the editorial board of the establishment Financial Times, who appeared on MSNBC of all places this week and said:

Donald Trump’s election has unleashed astonishing animal spirits. By animal spirits, I’m referring to the economist John Maynard Keynes from King’s College Cambridge, who argued that when people start to feel widely optimistic and confident, that basically causes them to spend more, invest more, hire more, and you get this self-fulfilling cycle of growth.

And right now everyone can sense there is an extraordinary explosion of animal (spirits) for its American relations to the economy, and particularly relative to all the other major trading partners, like Europe or Asia right now. So the CEOs are acting like rational business people, saying, ‘We want to be part of that. We want to be part of this growth story.’

This is 100 percent accurate – for now. To keep the good feelings and positive momentum going, Trump and Congress will have to get the tax cuts done as soon as possible.