The Calculus of Romance

I’m not using calculus metaphorically in that headline. I really want to talk about calculus and romance, specifically differential calculus and romantic relationships. But this needn’t be a math lesson; you can follow the links to Wikipedia for the full details on how calculus works, or take lessons from the Khan Academy.

Generally speaking, a derivative is a measure of change, and you can take derivatives of derivatives. So a first derivative describes a function, measuring the rate of change of that function. In the graph below, the first derivative is the tangent that measures the slope of the function. A second derivative describes the rate of change of the first derivative, a third derivative describes the second, and so on. You get the point.

Illustration of derivatives

How on earth does that relate to romance? Well, consider a romantic relationship to be a function, moving along the X-axis of time. When you are discussing your relationship (which you hopefully do sometimes), that is like the first derivative – describing the trajectory of your relationship. Sometimes you may talk about how you talk about your relationship, improving your communications skills. That is the second derivative. But if you are having real problems communicating, you may talk about how you talk about talking about your relationship. That is the third order derivative, and it’s bad.

Nobody likes higher order derivatives, and nobody likes talking about talking about talking. So make sure you get those second derivatives right!


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