I'm sooo confused..

I was pretty sure that I was/am pregnant I was feeling nauseous, breast tenderness, aversion to certain foods.. I took a test 4 days before my period when I had brownish discharge when wiping.

When I took the test I did 2 cheapie Walmart test and could sworn atleast one came back with a faint +

Then 2 days later my boyfriend and I have awesome intimacy where we literally had the bed break underneath us, when that happened I fell pretty deep into him since I was on top; that morning i started having heavy bleeding. The bleeding lasted 1 day and now I have no bleeding. What the heck is happening??