I miss college.
As stressful as it was, the worst thing that could happen if you mess up was that you would fail a class and get set back a semester or two, and possibly not get into the graduate school you were hoping for.
The risks in the real world are much bigger. If you mess up in the real world, you can cost your company a half a million dollars, lose your job, lose your license, get people killed, etc.
The real world is very scary