​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​does anyone have one of those things that works to see if there's a faint line?! AF (hopefully not) due today and no sign but im not sure if I just have line eyes because im desperate

Amelia