so confused

ok so i thought af arrived but it was a week early and extremly light and pink almost the whole time now here i am tge day af was suppose to arrive but never did. im extremely nausous tired moody and cant stand the sight or smell of food at all. is it possible that what i thought was af could have been implantation. i have a really weird gut feeling that i should take a test but im scared of the heart break if its negative. someone please give me some piece of mind before i go crazy. top pic is that morning it started bottom is that night. it only went 3-4 days unlike my normal 7