I wish there was a way to put college Freshmen in actual "This is what the job is like" situations to weed out those who aren't going to like the real job four or five years later.
If you don't like calling people up to ask them a bunch of questions, you should get out of journalism.
If you don't like heavy math, engineering or finance probably aren't for you.
Often finding a career you like involves learning what you hate, then eliminating related careers. Choose from the remaining options. Too many of us (including the author) learned these lessons well after college.