Two or three

[regular john]

I want leave house today when my family sleep in the night. I have two cups with sn prepared. Should I prepair one more or two is enough in case I vomit ?

 

[Saponification]

Two is enough I reckon. Three if you want to be extra safe.

 

[SVEN]

Best wishes.

 

[TheHolySword]

Two. You'll be lucky if you can even drink the second cup once it sets in, the majority won't.

 

[Worndown]

It is easy to make a third. Do whatever makes you feel the best.