Although Regina receives slightly greater rewards from her marriage than her husband, both are satisfied with the relationship because they each benefit in proportion to what they put into it. This BEST illustrates the significance of:

equity

Explanation:

Based on the information provided within the question it can be said that in this scenario this best illustrates the significance of equity. In the context of marriage, this term refers to the difference in authority, power, and influence between spouses in a marriage including finances. Meaning each spouse has a certain ownership of everything in the marriage depending on the amount they put into it.

it´s related to his charming character.

beauty is not everything, although we can joke that girls only care about the physical or material aspect, the truth is that a real woman looks at more important things, besides intelligence and personality, there are other attitudes that make irresistible to men who are 'unattractive'.

for example develop your sense of humor.

answer; the automatic system because it is a "gut reactor"