This is long but stick with me:

Fingered on Feb 10. May have been some precum on his hand but im unsure if he wiped it off. No sex at all. Period was due the 19th of February and I got this:

Moving to today blood still going. Some times in large strand i took a test today with first response and got a negative. My period seems lighter but I’m not sure if its all just stress. This was yesterday:

And below is today

I’m so confused why its lighter than normal. Typically my cycle is 6 days amd its slowing down after 3 already.. Could this be implantation bleeding. Or am I over thinking everything and just need to go to sleep...