Wrong Potion but Exact Right Result

She is a simple girl who is no stranger to simple worldly pleasures. Her partner earns good money, which is a plus. But the disadvantage is that because he is so busy all the time, they don't have time for two minutes of trivial sex at all! Well, the simple girl knows how to use simple and time-tested remedies. She slips a special aphrodisiac into his tea, but she can't imagine that someone else will imbibe from the mug...