"Don't take on debt." Anything that looks even vaguely similar to debt, I instinctively run away from it. Had this flinch since as far as I can remember. In fact I don't remember ever owing >100$ to anyone. So far it's served me well.

Same. And it has also served me well, although maybe not solely because of that preference–I was in a better financial situation to start with than many university students, and I'm a workaholic with a part-time job that I enjoy, and I also enjoy living frugally and don't consider it to diminish my quality of life the way some people do.