Now she wants me to authorize her to move her cell phone to a private line.
Tell her something along the lines of "as long as you pay for it out of your personal funds but not one dime of our family funds will go to funding your affair with OM"
Close.
"Yes, I agree, this would be best and I was going to discuss it with you anyway, as I decided that I will no longer allow our family funds to be used for you to carry on your affair. Please make arrangements to pay for this new plan out of your own personal funds. -- L51"