It is not accurate to say that girls, or any gender for that matter, are "never satisfied" with what they have. People's feelings, desires, and levels of contentment vary greatly and cannot be generalized based on gender. Making such generalizations can perpetuate harmful stereotypes and reinforce gender biases.
Individuals have diverse personalities, needs, and aspirations, which means their levels of satisfaction with different aspects of their lives will also differ. It's essential to recognize and respect these individual differences rather than attributing them to gender.
Moreover, the feeling of dissatisfaction or a desire for more is not limited to any specific gender but is a common human experience. People may strive for personal growth, career advancement, better relationships, or improved living conditions, among other things. Such aspirations are part of the human experience and not confined to a particular gender.
Ascribing specific traits or behaviors to an entire gender is an oversimplification that can lead to misunderstanding and reinforce stereotypes. Instead, it's important to treat each person as an individual and acknowledge their unique experiences and perspectives. Everyone deserves to be seen and valued for who they are as individuals, regardless of their gender.