Serious question: What will my life be like when my dementia is full-blown?

Alzheimer's run in my dad's side of the family an aunt and uncle had it, i have thought about it because i am the worse person to remember names and things but talking with my aunt and uncle when the had it and alive it don't hurt physically it's just very flustering like now when can't remember some ones name or when you walk in a room and don't remember why