Feeling trapped – lying seems easier but it hurts inside

Assalamu alaikum, I’m going through a really tough time. I went to study at a university in India but I messed up badly – a 4-year course and I couldn’t graduate. My parents found out I failed after the fourth year, then I got stuck for another year trying to pass, but I failed again. I got so fed up that I left the university by faking a provisional certificate. Now it’s been two years since then, and my parents are asking me to go get my degree. I just want to fake it again and show them a phony degree, just so we can move on, but I’m really scared they’ll realize it’s not real. My parents are quite religious and education is a huge deal for them, and my father has a quick temper. I haven’t held a stable job in the last two years, but for the past six months I’ve been earning enough to support myself. I still live with them. I honestly don’t know what to do or how to handle this. I don’t even care about the degree myself, but my dad spent a lot of money on it, and that weighs on me. I told him before I would pay him back, but so far I haven’t done anything about it. I’m also worried about their reaction – my father might get angry and take it out on me, and my mother is not well physically, so I’m scared how this might affect her health. The Muslim in me wants to just tell the truth and leave the matter to Allah, but part of me wants to avoid the pain and trouble if things go really wrong. I know this is a big test for me, and I’m afraid to take the next step. May Allah guide me.