Financial trauma I hope I won't pass down on my daughter

My higher education did cost 30k to my parents. They blamed it on me at the end of it all, because I was really ill and couldn't get a job whatsoever, even with a degree. actually I only got a text message that reads "I made the calculation. Your education cost us 30k. You'll no longer get money from us. Bye." At this point, I was stumped. I was a couple of weeks from my final exam, I was disabled, depressed, and broke, and they thought it was the right time to tell me that after I graduated I'll be left with no income at all. Later, my husband paid for everything until I got my shit together (many, many months later), otherwise I'd have been homeless. At this time, I wasn't sure if I was allowed to be mad at my parents. The gave me a lot of money over the years, indeed. Only I wasn't aware it came with a refund ticket. Or a hidden cashback. I didn't even know why they blamed it on me if it was money they willingly donated through the years. I completed my studies brilliantly, I…