Pisistence
Firm continuance in trying to piss regardless of the fact that you've not been able to piss for the past 3 days.
Martha: Edward, what have you been doing in the bathroom for the past 3 days?
Edward: I told you already. I'm taking a piss.
Martha: I proud of your pisistence, Edward. Keep strong.
Edward: I told you already. I'm taking a piss.
Martha: I proud of your pisistence, Edward. Keep strong.