flyingpuck21 wrote:
It's the app on my Father-in-laws phone. She just won't stop adding herself and despite his not liking that, he won't say anything to her as they are both lonely at this stage of their lives.
He is accepting her friend requests, somehow. Perhaps you should have him read this:
Set up and use Find My Friends - Apple Support
If he has iOS 13, see this article:
Find friends and share your location with Find My - Apple Support
If she is adding herself by getting access to his phone, tell him to put a passcode on it.
Beyond a certain point, however, there's not a lot you can do. These are adults who need to sort out their own relationship issues.