Love, Or Fate?

"You can only choose one. You brought this upon yourselves " the impossibly gorgeous woman in front of the couple says.
"This will teach you to chew before you spit, mortal. The strings of fate that bind you will be cut. Choose, and we shall watch you stumble blind in each lifetime, until a time when your souls have redeemed themselves." With that cutting remark, she disappeared without a trace.