<human>: Summarize the given text in a few sentences.

I've been feeling guilty ever since my first semester of college ended. 

I actually did pretty well, got all solid A's for all my classes and also managed to get a job within campus.But ever since the semester ended, I feel guilty and anxious for not doing any work at all. While I did ace my first semester, my classes were ridiculously easy. In my General Psych class I consistently received extra credit for simply meeting the requirements and also receiving over 85% on exams, which have also been spoon-fed to the class. My intro to Arts and Media class never felt like a challenge and I could feel that my professor was  a relatively easy grader. Our midterm consisted of questions that were handed to us during the first month of class and had 50 questions that were easy to memorize. I also took a fluffed-up freshman required class that was pretty meaningless overall. There are people here who do not understand MLA format despite the professor explaining it repeatedly. 

The only class where I felt like I was learning anything or being challenged was my Trigonometry class. This was the only class where I felt a need to actively study for. While it is definitely a lower-level class compared to some people who start off freshman year with Calc, this class was a good refresher while also bringing in new insight for math. I felt the most involved with this class and had a sense of fulfillment. 

I am definitely not complaining about the ease of receiving grades, but I feel deeply anxious that the next semester will be significantly harder and that this semester did not prepare me well enough for it. College so far has been easier than high school.

I'm not really sure what I'm saying when I type this out but I'm just worried that this is just not real college, and that I am just someone who is mediocre and stands out among other students who are not focused on academics. I feel like this is all just coming out wrong and its nothing to worry about, but I just need to say this.
<bot>: I think I feel guilty because receiving a 4.0 was way too easy for the first semester and I'm worried that I'm not prepared for more difficult material.