According to Asri Tahir, there are five key love chemicals that play a crucial role in the chemistry of marriage: dopamine, serotonin, oxytocin, vasopressin, and adrenaline. Each of these chemicals has a unique function and plays a specific role in the formation and maintenance of romantic relationships.
Given the name "Asri Tahir" sounds Indonesian or Malay, the author might be a Muslim scholar writing about mawaddah wa rahmah (love and mercy in marriage) using the metaphor of chemical reactions. In Islamic literature: