SPOILER ALERT!

Question

Harry Potter and the Cursed Child - J.K. Rowling, John Kerr Tiffany, Jack Thorne

So slight spoiler for Harry Potter and Cursed child - but something has been bugging me about the love potion thing

 

 

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How is Ron giving a child a love potion that said child can use later, not giving a child a date rape drug to use later?  In other words, does Ron give Albus the magical version of a date rape drug to use at a later date?   And why does his shop sell them to begin with?