Twelve pieces of dark chocolate and four cups of espresso. What do you mean?

The whole sentence should be: palpitation is twelve pieces of dark chocolate, four cups of espresso and you. So this sentence means that I like you. Seeing you makes my heart beat faster, and I feel flustered like eating a lot of dark chocolate and drinking several cups of espresso.

Palpitation, also known as "palpitation", is an uncomfortable feeling that people's heart beats subjectively. Sometimes patients are described as heart fatigue, palpitation, etc. It is normal for healthy people to feel flustered only during strenuous exercise, high mental tension or high excitement.

Eating too much dark chocolate will change the heart rate and make people feel uncomfortable. Espresso is a kind of coffee with strong taste, which can promote metabolism. Excessive drinking can also change people's heart rate and cause discomfort, which can be called palpitation. Dark chocolate is a perfect match for espresso, and many cafes will provide such a classic match. So both of them can change people's heart rate, which can be said to be palpitations.

And you, thinking of you and seeing you, I will have a feeling of heartbeat, which can also be called palpitation.

So the meaning of this sentence is like you, which is a very meaningful love story.