Maybe the husband/son should preemptively play the "if you don't sign up with me, you're betraying me" card?

If my spouse played that card too hard I'd sign up to cryonics then I'd dump them. ("Too hard" would probably mean more than one issue and persisting against clearly expressed boundaries.) Apart from the manipulative aspect it is just, well, stupid. At least manipulate me with "you will be abandoning me!" you silly man/woman/intelligent agent of choice.