👉 The term "men's fluid" refers to the physiological phenomenon where individuals assigned male at birth (AMAB) experience changes in their reproductive anatomy and hormone levels during their lifetime, particularly in response to aging. This can include the development of female characteristics such as breast tissue and a decrease in testosterone levels, alongside the potential for the development of secondary female sexual characteristics. This process is part of the natural transition that some AMAB individuals undergo, though it varies widely among individuals and may not always result in a fully female appearance or identity. The fluidity of these changes underscores the complexity of gender identity and biology, challenging rigid binary notions of sex.