First Date Flashback – Enigma Man Strikes Again

During our first date (blind date that is) I begged the man opposite (now my husband) to stop explaining the Enigma code to me.  Whatever happened to flirting?  He held my gaze, pizza fork aloft, and announced ‘I’m just getting to the good bit,’ and ploughed on.


So imagine the flashback and dizziness induced by this, over breakfast this morning.

“This is really interesting, Wife.”

“Um hum…”

“Yes – Fibonacci’s Sequence is defined as a recurrent relationship that can be expressed as  F_n = F_{n-1} + F_{n-2}…  (he reads out every letter, over-enunciating as though speaking to a badly trained Spaniel with OCD) where the first two digits of the sequence can be defined as F_1=1, and F_2=1.”

Eyebrows go up – thinks to herself… ‘riveting’.

“What this means is that the sequence starts with two 1’s, and each following digit is determined by adding together the previous two. Therefore, Fibonacci’s Sequence begins: {1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89…} etc.

At ’89’ the table is being scanned for suitable tools to bludgeon him into silence.  Pepper grinder – too small.

“What makes the sequence so incredibly fascinating (REALLY, ARE YOU SURE???) is its proliferation throughout nature, such as in the branching of trees, the arrangement of leaves on a stem, the flowering of baby broccoli, a nautilus shell, or even the spiral of galaxies; and that’s just to name a few. You’ve probably seen Fibonacci’s Sequence on countless occasions in your lifetime without even recognizing the pattern. One of the reasons that it appears in so many plants is because ……”
“I know all about it.”
“Do you?”
“Yeah, patterns in trees and stuff.  Already know ALL-ABOUT-IT.”
There’s a little, deflated ‘oh’.
Well it was that or start talking about lingerie.

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