Ahhh sabar ye, kak... situasi macam ni memang bikin stress! Tapi honestly, kalau UPT sudah negative berkali-kali dan line kabur tu hilang, kemungkinan besar bukan pregnancy, mungkin hormon je terganggu or ada masalah lain yang bikin period delay, so kena la jumpa doctor untuk check betul-betul sebab tu. A few of my mum friends pun pernah experience period delay yang lama, and semua diorg ada sebab lain, thyroid issues, PCOS, or stress je, but once dapat treatment betul, everything settled. Jangan give up hope, tapi please go see a gynae soonest, because 6 years of waiting ni memang heavy, and you deserve proper answers, not just home tests!