Reminding yourself that it’s worst at five (or two, or four) a.m. and will seem much better at ten.
Doing routine things well and on time: exercise, breakfast, prayer or meditation.
Focusing on the people you’re with – serving them, enjoying their company.
“Acting as if,” and doing the normal things – the things you’d be doing anyway – as well as possible.
Talking about how you’re feeling, what you’re worried about and what else might be on your mind.
Setting a defined time that you’re going to catch up with the news – and ignoring it the rest of the time.
Reading heavier, older stuff than you otherwise might – the Classics often give us offer a longer view that both helps us feel less sea-sick by reminding us what’s important and – encouragingly – how far we’ve come.