Aren’t our portions too big?

Given that we only require a certain amount of energy per day, why have our portion sizes continued to increase over time?  Portion sizes have been progressively increasing over the past few decades, leading to a surge in obesity rates and other diet-related health issues. While it is easy to fall into the trap of believing that more is better, especially when it comes to food, it is crucial to bear in mind that we only require a specific amount of food to provide us with the necessary energy and nutrition for the day.   Why are our portion sizes