You want to really help him, go over to his place and relieve him for a few hours, and then get back to us.
Been there done that. Father with Alzheimer's and Mother with bone cancer.
Then you should fully understand, everyone deals with life's tribulations as they see best, and that being the case, ask the OP what he needs help with the most, rather than making that decision for him.
Me, I cut him all the slack he needs, and support him when needed.
Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
