I don't know who needs to hear this but when you're feeling down and useless, try and reach out to someone who feels even more worthless and vulnerable. Who knows, you might end up brightening up two people, one of them being you.
Mastodon is the best way to keep up with what's happening.
Follow anyone across the fediverse and see it all in chronological order. No algorithms, ads, or clickbait in sight.