Varied Alertness

Even after all these years, my loved one's varied alertness is still unsettling to me.  He was very alert when I was there yesterday, unlike the previous day.  When he is alert, is more likely when he will ask when he is coming home.  I try to remember what Mayo Clinic said about his frontal lobe dementia preventing him from recognizing his cognitive decline, but it is still hard to hear him demand unrealistic settings.  Even the men on staff now use a lift to move him from wheelchair to toilet, etc.  There is no way he could be managed at home, and he does not realize that or accept that.  Is that hard for you too?  To handle the unrealistic