Trying to determine a pregnancy test

I’ve been having these symptoms as if I was pregnant before my actual missed period . I’m so in tune with my body I can tell from previous pregnancies . Two weeks ago I was intimate with the guy that I am dating and I thought my period had came down , but it only lasted momentarily . Not even a complete day of bleeding . My boobs hurt , I’m bloated , I’m tired , I keep having this pelvic pressure , I’m spotting again but it’s brown . It’s hard to distinguish PMS with pregnancy symptoms . I’ve took an early pregnancy test with clear blue, but it said negative . I saw a video online that they opened it and it was actually positive with two lines so I was curious and did the osame thing , and it showed the control line , and a faint blue line as well . The faint line fell just behind the reading hole in the front of the pregnancy test if that makes sense …