First: https://www.youtube.com/watch?v=UDVPsS_Jlfg&t=31s
Task 1: If you have to pee, drink 0,5 liter. If not: Stroke ten times. :)
Task 2: If you have to pee, go and pee. If not: Drink 1,5 liter and wait until you have to pee. You can not use the toilet until the end of the game
Task 3: If you have to pee, drink 1 liter. If not: Drink 1,5 liter and wait until you have to pee. You can not use the toilet until the end of the game.