>>76461443
>absolutely impossible

Ya pretty much. Brain rot thinking reddit is wrong just because "LEL REDDIT! GO BACK" meme. You can definitely improve your cardio in 2 weeks, and depending on you (your starting cardio level, age, genetics, ect) you could get "decent" times(decent being completely relative).

Imagine asking if you could get good at benching 2 weeks never having benched before...