The hero in the play is given a magic/love 'potion' so that he will fall in love with the princess.
He drank the fatal 'potion'.
sleeping 'potions'
(..) You'll have a reaction. And if you think that I'll be smearing Vapor Rub over your chest, think again! Boss, just in case there is something wrong with the potion... allow me to take the first sip. It would be an honor to lay my life on the line for you. Oh, no, no. I don't think so. (..)2004 Shrek 2
(..) You're still going to be king. We'll just have to come up with something smarter. Pardon. Um... Everything is accounted for, Fairy Godmother, except for one potion. What? Oh... I do believe we can make this work to our advantage. "Happily Ever After Potion. (..)2004 Shrek 2