If dying of dehydration try to find an elephant. There are often drips of water in leftover in their trunks. Elephants don't mind sharing and are often grateful have a dry trunk as it avoids trunkrot.
Milk the morning milkwood, but check your hubris and never take on bigger ent than you can deep-take. If needed, call your fiends to make the process easier.
And dont forget to use protection if you see flowers blooming on the mighty tree dong. Unless millions of little saplings fighting their way out of your balls sound like a good time to you (no judging).
Lastly, don't mind a little moss on the bark, it's a style choice, but it's customary to take any mushrooms for breakfast (a delicacy known as HoneyShroom DickCheesea).
Bear Grylls drinking the contents of a camel's stomach in a (produced for TV) bid to survive in the desert, shortly before spending the night in the animal's carcass