Don't be a nag. If they want to exercise, hydrate, etc they will do so on their own. If they don't, you'll just be annoying. That said. I did nag my elderly

Don't be a nag. If they want to exercise, hydrate, etc they will do so on their own. If they don't, you'll just be annoying. That said. I did nag my elderly mother about her terrible mattress and couch that were causing back issues. She replaced both and says her back has improved. It's difficult to know how much advice to give. She's always been independent and will resent too much even if it's helpful.