But I hope he's too old and tired to cheat on her, I really, really want her to care for him in his old age so my kids aren't burdened.
You can certainly hope. In my mind cheating is a sin of opportunity and entitlement. I don't read the various forums out there nearly as much as I used to but there's an astounding number of people who are caught cheating in their 60s.
On BD H52, W50 T27, M26 S21, D23 BD-9-Mar-16 D-15-Jan-18 Final-19-Apr-18 I am a storyteller. The story may do you no good. But a story is never for the listener. It is always for the one who tells