If you went back to, I would guess, 1946, and worked to prevent your parents’ marriage in 1947, you would still have existed in that year; you would not go out of existence just because you had influenced events. The same would apply even if you had only been in 1946 one microsecond before shooting the man who would otherwise have become your father.

He discovered that Einstein’s quantum theory was essentially correct and that he could stabilize a traversable wormhole through space-time using exotic matter with negative energy density.

But as time goes by, at birthdays or other annual markers, people begin to notice you aren’t getting any older.

Do you ever think you were born in the wrong time?