The head underneath, makes you lose the head on top

The advice is a warning against allowing one's sexual desires to overpower their rational thinking and decision-making abilities. It suggests that in moments of strong sexual attraction or temptation, individuals may make impulsive or irrational decisions that they later regret.

This advice highlights the importance of maintaining self-control and rational thinking, especially when faced with challenging or emotionally charged situations. By keeping a clear head and remaining focused on one's goals and values, individuals can make better decisions and avoid making mistakes that could have negative consequences.

Overall, the Neapolitan advice "La testa di sotto fa perdere la testa di sopra" serves as a reminder to be mindful of one's emotions and impulses and to strive for balance and rationality in all aspects of life.