Aposhark. Thanks for your comments.
One of my cards is with my wife's cousin in Phil. If he had a similar problem I would still contact Nationwide.
In passing I have told Nationwide that one of my cards is being so used and they did not question it. Mind you it was not the subject of the conversation and maybe the person to whom I was speaking was not fully aware.
Why don't you try contacting Nationwide, saying you are a potential customer and ask what would be their take on you giving a card to another trusted family member ?
