“You can keep blaming your parents for your life in your 20’s, but by the time you’re 30 it’s your own fault.” —having a difficult time getting an original source on this quote

This is like unknotting an autoregressive term in a time series. Even if the past only has a hold on the present back to 5 years ago, your upbringing still influences you when you’re 70.

an autoregressive AR(1) time series

Because

  • who you were at 15 influences who you were at 20 ρ¹,
  • which in turn influences who you were at 25 ρ²,
  • and so on until 9 half-decades later there’s a ρ¹¹ echo of your 15-year-old self

whose apprehension at the way she looked (or rather didn’t look) rumbles faintly, faintly, faintly, faintly, faintly, faintly, faintly, faintly, faintly, faintly, faintly through time—the decisions then affected the next decisions which altered the next decisions … on and on to the present.

If the initial spike was −1<ρ<1, then the rumble of the thunder diminishes geometrically over time. So a ρ=½ only shivers .00049 eleven knots into the future, and even a ρ=.9 recedes to a .314 by the time it’s so deep past. 

 

Maybe I can spot a corollary to the new parents’ dilemma as well. If the present choices are always framed by the habits formed in the past, then ε perturbations in the baby’s care echo forward, and forward, and forward…and can they really be undone?

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About isomorphismes

Argonaut: someone engaged in a dangerous but potentially rewarding adventure.
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