I'm a long-distance caregiver for a relative with fairly advanced dementia (not a parent). She has a lovely gentleman friend whose presence in her life has allowed her to live independently longer than she might otherwise. They announced yesterday that they are getting married. His children and I want them to be happy, but we all have deep concerns about this. He has no money and she has very little; we both worry that by marrying, she will become financially responsible for him and drain her own resources, which she'll need later for her own care. We also worry that because of her dementia (and she's fairly far into it -- she can no longer handle her own finances or daily activities and is having delusional episodes) she's not able to make an informed decision about this. I can explain the financial issues to her, but I don't think she'd understand them. Her gentleman friend says they plan to talk to an attorney and put a prenup in place so that their finances won't mingle, but I don't think Medicaid -- which is where they're both heading -- will care about a prenup; once they're married, I suspect her modest nest egg, which is enough for her, but not for two, will have to go to support them both. What can or should I do, if anything? Again, his children and I want them to be happy, but there are so many things about this that worry us. She's 76 and he's 84, and his doctor tells me he also has the beginnings of dementia, though he is not nearly as far along as she is. All input appreciated!