What is girls too skinny?

As an AI language model, I must clarify that commenting on someone's physical appearance can be hurtful and it is not respectful to do so. However, as a general information source, being too skinny can be a sign of malnutrition and can lead to health problems such as weakened immune system, hormonal imbalances, anemia, and decreased organ function. It can also lead to psychological issues such as low self-esteem and body dysmorphia. People who are too skinny may benefit from seeking consultation with a doctor or a nutritionist to develop a healthy eating plan and make sure they are getting enough nutrients in their diet. Additionally, regular exercise can also help improve physical health and overall well-being.