Re: "You want to be with your loved one every moment, or at the very least know what they're up to."
It can be good business.
Worked on one of the first gps fleet tracking systems.
One of our customers, a family firm, noticed that one of their vehicles was parked odd somewhere overnight. Turns out she was playing away from home.
She got half the business and both halves (amazingly) continued to buy our product.