In short, dementia is the term to describe memory loss, specifically in the older generation. Oftentimes, old information interferes with current information in the beginning, and the sufferer of dementia gets worse and worse as time passes, sometimes gradually and sometimes very quickly.
Dementia is caused by damage to brain cells. This damage interferes with the ability of brain cells to communicate with each other. When brain cells cannot communicate normally, thinking, behavior and feelings can be affected
She is not a real friend. Your should be by your side no matter what. And most definitely broke the friend code. And the boy is a friend hopper. They are both wrong.