I find the assumption that if something can be explained, then it cannot be free will or intelligence, to be baffling. My only explanation is that most people think intelligence is magic, and cannot be explained through logic and science. A preposterous proposition, for a psychologist can explain human decision making with the same scientific precision.
Concentrations of pheromones explains your question. It is not a decision as a consequence of chemical attractance.
I find the assumption that if something can be explained, then it cannot be free will or intelligence, to be baffling. My only explanation is that most people think intelligence is magic, and cannot be explained through logic and science. A preposterous proposition, for a psychologist can explain human decision making with the same scientific precision.