Mama, I know how nerve-wracking this is! Pero honestly, a faint line can be tricky to interpret on your own, even a few of us moms have been confused before. Best thing to do is go to your OB or a clinic para ma-confirm with a blood test (quantitative hCG), that's the most reliable way, hindi lang visual interpretation ng test.
Hang in there, and don't stress too much while waiting. Let me know how it goes!