Two main things need to be set: COOL HEAD even though in times like this is very hard to achieve. Think with feet on the ground. Then, complimenting with this, once you want to cry desperately, take care of your mind. Talking to a professional does help. Don't try to handle the ups and downs (emotionally) by yourself. It can be overwhelming.
Said that, it's a great momento to re-structure your brochure, your costing table, your paperwork. Maybe even reconsider the texts on our websites. It's time to plant seeds on our communication on social media, so that when the time is due, we can collect the harvest.