A prank to the princess

“Um, what’s ‘the love treatment?’ It’s not anything bad, is it?” “Oh no no no!” The spa pony replied. “It’s just that you and somepony you love can massage each other in a steam room for a specially reserved day. Although the princesses probably will not like it if you purchased this. It would be highly offensive.” “I-I might want to try it,” Twilight whispered shyly. “Whatever do you mean?!” “I have an idea,” Twilight narrowed her eyes slyly.