Can anyone tell me why there is an 18 age limit on Apple Pay cash? My son has had my Amex card on his phone and watch for years...uses it regularly. Now that I am savvy to Apple Pay Cash, it is a much better option for dispensing him cash in allotments rather than the "Carte Blanche" of him having my credit card enabled. However, him being 17, I cannot enable Apple Pay Cash on his phone for receipt from me. I see the only alternative is to change his age in his Apple ID settings to make him 1 year older. Anyone know why this limit exists, and is there a better way around it?