I think one of the most difficult adjustments in parenthood is getting used to my teens needing me but not needing me. When they were little they always needed me to the point of pure mental exhaustion. Some days eight pm. bedtime couldn’t come soon enough. Or a trip in my car alone was like a mini vacation. They were a constant responsibility leaving very little time for me to think about anything else but caring for them. Most days I loved it and some days I wondered what happened to Krista – she got lost in “mom.” Now, things have changed. Here I sit alone in our house on spring…