Can be hard, can be leisurely.
The bitterness of college is different from that of high school. If the hardship of high school is due to the heavy academic burden, then the academic burden in universities only accounts for 50%, and the remaining 50% is clubs, hobbies, parties, student work and so on.
In fact, it is your own choice whether you are bitter or not. As long as there are goals and pursuits, where can there be comfort?
I have a roommate who has no goals. She doesn't join the club or take part in the competition. She goes to the bar to drink and fall in love every day. Classes can be neglected, and homework can be omitted. Is it hard? Maybe. Very comfortable? Maybe.
As for whether the university is bitter or not, it depends on how you choose. I think the biggest difference between college and high school is that you are regarded as an adult, and you choose your own path.
After all, if you choose a distant place, you only care about the hardships. Start (a disease)