I actually tried to make an account on Reddit just to ask, and the amount of censorship and roadblocks is unreal (shocker).
My fiancé and I were very sick for 4 days last week. Sore, tired, sore throat, cough and phlegm.
We only had one kit available so I took the test and it appeared negative.
I eventually feel better, back to work this week.

Someone at work mentions the line is very faint at times and hard to tell. So I go and look at the test I took, and under its own definition, there is a faint line indicating positive.
However, the test is now 8 days old. Is it reliable that I had it or just weathered?