You can't eat in the dormitory before, but you can take it to the dormitory in college, and you don't have to hide it when you see it. College physical education test requires running 800 (for girls) and 1000 (for boys), and measuring height, weight, sitting forward, vital capacity and standing long jump. Generally, if you fail, you need to make up the exam. The person you talk to in college is free, even if the teacher sees it, it won't matter, because you are an adult, so it's normal even if you bring your girlfriend (boyfriend) to class.
College life is beautiful, cherish every day, enrich every day, don't let yourself muddle through college, and find that you can't do anything after graduation. Therefore, it is also necessary to study hard, because if you fail, you need to make up the exam.
Some universities will require students to pass CET-4 or CET-6, so they should not be too relaxed after going to college.