I hate to be the bearer of bad news but we're all doomed.
Each one of us, and everything we know, has an expiry date. Our days in this reality are numbered. Nothing is permanent. But don't be sad. This isn't a fact to be lamented. Quite the contrary. When you consider everything astrophysically that has had to take place to put us here, it's actually such a gift to be alive. Here. In this moment. So don't worry about the little shit. And don't worry about the big shit. Just don't worry. It's all going to work out in the end and even if it doesn't, it's going to end anyway. Eventually. So sit back. Enjoy the ride. Hug your friends. Be nice to people. Call your parents. Treat yourself right. Not for any other reason than because you deserve it. You're a miracle after all. A complicated series of coincidences or, perhaps, a product of some divine intervention. Either way, you're doomed. And it's fuckin' magical, so don't waste a minute of it.