Having a girl call herself "Daddy" may involve personal psychological needs and preferences. However, this behavior may have different interpretations and acceptances in different cultural and social contexts.
In some cases, this salutation may be seen as an intimate or joking way to express some level of closeness or control. Some people may feel that this salutation increases their intimacy and connection with the girl. However, this behavior may also be seen as disrespectful or inappropriate by some.
It's important to note that we should respect the feelings and boundaries of others, regardless of personal preferences. Under no circumstances is it appropriate to force or require girls to use such a title. We should respect the wishes and choices of girls and refrain from using any form of coercion or manipulation.
In addition, we should also be aware that there is no fixed meaning or explanation for addressing "Daddy" in itself. It may have different meanings and interpretations in different cultures and contexts. Therefore, we should be cautious about using this salutation to ensure that it does not cause misunderstandings or offend others.
Most importantly, we should respect the feelings and choices of others and avoid using any form of words or actions to hurt or offend others. Building healthy, respectful, and equal relationships is what we should aspire to.