Change the things you can change. I'm sure you can change more things than you think.
I don't know how you can afford rent or food. In my country there is a social safety net where you will be provided housing and food if you can't afford it. If you don't have that, try reducing costs somehow, move to lower cost of living, look for a shittier place with less rent, idk as I don't know the reality of your situation. If you're from the US, I thought you do have at least limited social safety net?
Traveling is overrated, at least overseas. If you have any way to get around at all, traveling locally can scratch that itch. Also video games do indeed scratch the travel itch.
Making real friends and finding a life partner, both of those things are possible for anyone regardless of circumstances. I don't know why you think you can't do it, but I'm pretty sure the reason is just in your head, so something you can change.
Water becoming a luxury and never retiring does not affect you yet, all future things don't, i.e. it should be irrelevant for your happiness right now. While it is often a good idea to plan for the future, you can leave some things, like the world ending or similar, for future you to deal with and just actually not care about it right now. It's actually your decision to choose to feel bad right now about future things, I assure you, you can choose to not feel bad about them.