My 16-year-old daughter has just told me that her best friend (also 16) has been having an affair with my husband, who is 42. She found out because girls of that age tell each other everything.

They vowed to stay together "for better" and "for worse" and they certainly had their fair share of "worse", but 30 years on Joni Eareckson Tada and her husband Ken want to share with others the ...