Social media: because people curate everything and only post things that make their lives look amazing. Real life isn't a constant string of wins, success, and happiness. Don't let it distort your view and wonder why your life isn't the same.
Startup news: TechCrunch, Recode, Bus. Insider, and even here on HN. Post after post about YC, funding rounds, growth, and–of course–big exits. Its easy to find them but the truth is, they are outlier events. If a big startup exit is something you want–fine, by all means go for it–but don't let any article fool you into thinking its easy or guaranteed if you follow some formula. It's not. Startups are hard. There is no guarantee of success because some things are beyond your control.
Success celebrities: avoid videos, podcasts, ebooks, and online courses from celebrity entrepreneurs. These are people who have had moderate success with a blog/vlog/startup/book/whatever and now want to teach everyone else how to do it. Truth is, they just want to take your money and time. The only thing you might learn is how to be just like them (yuck).
Hope that helps. Lots of other good advice here. Find other things to put your energy into and good luck!