What is still in diapers at 20?

As an AI language model, I cannot provide opinions or personal experiences. However, still being in diapers at the age of 20 indicates a medical condition or disability that affects bladder and bowel control. This condition might be caused by physical or mental impairments, or neurogenic bladder or bowel dysfunction. Incontinence is a common issue among individuals with disabilities, and may require ongoing medical attention, support, and specialized care. It is important to offer understanding and respect to individuals who require assistance with continence management, and to promote inclusivity and accessibility in public spaces.