My best friend had a baby when she was 16. She never told anyone who the father was, and I never asked. As the years went by, I grew close to her son, Thomas. One day, while I was babysitting him, I noticed a birthmark that looked exactly like the one that runs in my family.

My best friend, Sarah, and I had always been close. We shared everything – our hopes, our fears, and our silly secrets. But there was one thing Sarah never told me, and I never asked. She had a baby at 16, a little boy named Thomas, and no one knew who the father was. Sarah kept that to herself. Continues…