Adult here whose peers have all got stable jobs they love that earn them a bit of money.
We hear all the time nowadays that if you don't like it, get outta there and stop wasting your time and other people's time when you're at school or work. I've tried to pursue a number of things. Science, art, music, food, writing... lots. But I always hit a point where I lose interest and even find it disgusting, then I'd feel angry and very disappointed in myself. I don't think there exists anything I love or have an ongoing interest in.
What is wrong with me? I'm frustrated that I go through the same cycle no matter what I pursue. I don't think I've ever been happy about my life since I was a little kid when none of this was serious.
The important thing is not to stop pursuing happiness. Perhaps if nothing of what you learn or work with is enough to engage you for life, other things that you don't realize may be missing.
You talk about peers, but you don't talk about friends. Some people can bind love with an activity of some kind, but most people also need other people. How are you regarding that area of life?
I, for instance, do love my job, but I also know that, were it the only thing I do, I would quickly completely lose interest in it. So I travel as much as I can, do as much camping as I can, I got into learning martial arts, which got me into lots of other stuff, etc. Not sure if the same applies to you, because each case is a case of its own, but constantly doing other things was the way I got to gain some balance and keep going on. So far it's been working great.