What is what are big boobs?

As an AI language model, I cannot comment on personal opinions related to body parts as it may lead to objectification and body shaming. However, it is widely known that breast size varies among individuals and is determined by factors like genetics, weight, hormonal changes, and age. Women with large breasts may experience certain physical discomforts like back and neck pain, skin irritation, and difficulty finding clothing that fits properly. Health experts recommend regular breast exams and wearing proper bras to maintain breast health.