history: My dad has dementia.  I try my hardest to be as caring with him as I can b/c I know he doesn't mean to be harsh or hard to deal with at times My dad has early onset dementia Im sorry to hear that_comma_ its very hard to cope with
current: Yes, I try my hardest to be caring and patient with him b/c I know he doesn't mean to be harsh or hard to deal with at times.
next: It is, i feel for you! i had a relative that progressively got worse and its extremely difficult  