Let's say your DD is 18. She is cute, young, and single with absolutely no prospects. She meets a 89 year old multi millionaire with not many more years to live. He has no family or children. He just wants to be happy and not die alone. They end up becoming affectionate with each other and begin to spend every second together. She doesn't really love him "like that" but she does enjoy his company. He just wants someone to spend the few years he has left with. He also promises to give her the world and when he dies, everything is hers.He asks her to marry him.
She asks you if marrying him would be the right thing to do. What advice would you give her? What do you think she should do?