At fourteen, my pediatrician prescribed me Lexapro to help with unwanted anxieties and trouble focusing, which began when my father was diagnosed with Stage 4 cancer that year. She told me that the meds wouldn't change my personality, and they didn't, at least not in any way I could identify then or now. My father died two years later, and I continued to take Lexapro. I saw a therapist briefly during my father's illness but…