(The following is an open letter to my eldest daughter today on her 18th birthday. It is unedited and stands as is…a testament of a mother’s love for her child.) Dear Sky, Today, you turn 18 years old. You have reached a major pinnacle in your life, but it has only just begun. I eagerly wait with anticipation to see what your life has in store for you. Of all the things I am capable of giving you today, I feel my words are the most valuable. These are exciting times for you: finishing high school, going to college, moving out on your own, starting a career, paying your own…