5 days till AF

So I'm due for AF in 5 days... Well 4 days now since it's the forth and I am writing this at 2 am, but any who, I couldn't wait any more and I took a HPT from the dollar store and it's a BFN. Is it wrong to be disappointed? I mean we're not trying but I still have hopes that BFP will b there ya know? Also today, when I was wiping after going pee, there was this strange clumpy sticky discharge thing. It has never happened to me before! Any thoughts? Kinda freaked me out a little bit lol