Pre-tween girls are kind of magical. This year I’ve embraced my daughter joining this daring phase of contradictions. She is both brave and timid, equal parts fierce and tender. Each year I write her a birthday letter. It was spawned by the once a year letter to her birth mother that was always so emotional to write. There were so many things I couldn’t say in those birth mother letters. We were told to keep it simple, limit too many personal details. And I found that I had so much more I wanted to say, so I began this tradition of emailing these birthday letters to my daughter’s secret account…