High school runs on a fixed schedule — set class times, a set lunch period, often a required PE class. College strips most of that away. Classes might run three days a week with long gaps between them, meals happen whenever there's a break in the timetable, and physical activity stops being something the day forces on you. That loss of structure, more than any single food choice, is what tends to show up as weight change by the end of the first semester.
Irregular eating times create their own problem: skip lunch because class ran into it, and dinner turns into eating enough for two meals at once. A body that doesn't know when the next meal is coming tends to overcorrect once food does show up. Keeping something simple on hand for the gaps — a piece of fruit, a handful of nuts, a couple of dried dates — stops that pattern before it starts, without needing a full meal break between classes.
Exam periods make it worse. Stress eating is real and mostly happens with whichever food is closest and easiest, which in a dorm usually means whatever's in the vending machine at 1am. Having something better already in the room — dried dates, nuts, plain crackers — doesn't remove the stress, but it changes what "closest and easiest" actually is when the craving hits.
The activity side matters just as much as the food side. A student who walked to and from multiple classes a day in high school, plus PE, was moving far more than they realise. A college schedule with two classes a day and a car or shuttle in between can quietly cut that daily movement by more than half, with nothing about the diet changing at all. Walking instead of taking the shuttle for short distances, or picking a dorm a bit further from the lecture hall, replaces some of that lost movement without needing a gym routine.
None of this is about discipline — it's about noticing that the environment itself changed, not just the food on the plate. For dates specifically, buying from a proper Malaysian kurma supplier rather than a small convenience-store pack keeps a semester's worth of a decent snack on hand without repeated small purchases. If fresh fruit isn't practical to keep in a dorm room, dried dates travel and store better than most fresh options, and buying organic in bulk is usually the cheaper route over a full semester.