I turned 15 in 1965 and a completely different side of me emerged. Dr. Jekyll got a run for his money from Mr. Hyde. You just never know …

I grew up in Philadelphia, where I was on the fast track for the arts. I had been taking dance classes from the age of 5. At 8, I started studying the violin, eventually becoming a member of the All Philadelphia Student Orchestra, even performing at the Academy of Music.

At 15, my Dr. Jekyll side was fully immersed in rehearsals, recitals and performances while still maintaining good grades in my honors classes.

When we moved down the shore for the summer that year, I was allowed to leave it all behind for two glorious months. Hello and welcome, Mr. Hyde.

Unlike friendships back home that intensified and grew complicated, summer connections were mostly topical and…