Faint positive and than negative.

I took a frer this morning with an obvious faint positive. Meaning I didn’t have to squint and move a hundred directions to see it. But it’s super faint. I went and grabbed a frer digital. Held urine for 2 hrs and big NO on the screen. I told myself not to get excited about the faint but now I’m disappointed. Going to test in the morning. Please someone tell me this happens.