I wouldn't necessarily call myself an expert, but having lived on an island where food and supplies arrive monthly by helicopter, I have a few tips on surviving isolation:
When you look back on this extra time you've had at home, what will you be proud of? Learn a new skill or read a new book. (Need extra motivation? What would you like to boast to your friends about once you can finally get together for a drink?)Island Case Study: Not only were my brothers and I homeschooled on the island, I participated in Girl Guides via correspondence. That meant completing the tasks assigned, filling out the paperwork, and promptly submitting it-- again, by helicopter. No internet, no "Prime Delivery", no team meetings. Me, myself, and I, and Mum, making shelter and fire on the beach.