Modeling Love Dynamics

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IIASA Systems Analysis 2015

IIASA & Laxenburg Conference Center 11-13 November 2015

MODELING

LOVE DYNAMICS

(1) EEP, IIASA, Laxenburg, Austria

(2) DEIB, Politecnico di Milano, Milano, Italy

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SUMMARY

• Evolution of love stories

• Models structure

• Results (examples)

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SUMMARY

• Evolution of love stories

• Models structure

• Results (examples)

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EVOLUTION OF LOVE STORIES

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SUMMARY

• Evolution of love stories

• Models structure

• Results (examples)

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MODELS STRUCTURE

= + recharge

SHE

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(

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)

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=

HE

secure

partner love

0

reaction to love

partner love

0

reaction to love

insecure

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MODELS STRUCTURE

= + recharge

=

love

0 1

bias function

synergic

platonic

biased individuals

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( � )

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(

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SHE

HE

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MODELS STRUCTURE

= + recharges

=

unbiased synergic platonic

secure 1 2 3

insecure 4 5 6

biased

21 types of couples [homogamous pairs (1,1), (4,4), (5,5)]

SHE HE

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SUMMARY

• Evolution of love stories

• Models structure

• Results (examples)

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RESULTS (EXAMPLES)

• great variety of romantic regimes

• alternative romantic regimes

• consequences at community level

• unexpected crashes and warning signals

• temporary bluffing

• small discoveries can have great consequences

• insecurity and breaking-off

• aging and crises disappearance

• extra-emotional dimensions can destabilize

• periodic stresses and romantic chaos

• triangular relationships and unpredictability

• analysis of poems, films, and songs ⁞

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RESULTS (EXAMPLES)

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RESULTS (EXAMPLES)

• great variety of romantic regimes

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GREAT VARIETY OF ROMANTIC REGIMES

Rose and Jack

STATIONARY REGIME

[Titanic, 1997] 0

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GREAT VARIETY OF ROMANTIC REGIMES

Laura and Francesco

PERIODIC REGIME

0 0

-0.5 -1

1.5

[Canzoniere, 1374]

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GREAT VARIETY OF ROMANTIC REGIMES

Kathe, Jules, and Jim

CHAOTIC REGIME

[Jules et Jim, 1962]

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RESULTS (EXAMPLES)

• alternative romantic regimes

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ALTERNATIVE ROMANTIC REGIMES

Rose and Jack Roxane and Cyrano

COUPLES OF SECURE AND UNBIASED INDIVIDUALS

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ALTERNATIVE ROMANTIC REGIMES

Rose and Jack Roxane and Cyrano

G

B

0 0

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ALTERNATIVE ROMANTIC REGIMES

Rose and Jack Roxane and Cyrano

G

B

0 0

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RESULTS (EXAMPLES)

• temporary bluffing

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TEMPORARY BLUFFING

almost everybody does it

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TEMPORARY BLUFFING

IS THIS JUSTIFIED?

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TEMPORARY BLUFFING

INCREASING APPEAL

0

CAN WE START IN THE WHITE

REGION?

G

B

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TEMPORARY BLUFFING

no bluffing bluffing

0 0

G

B

G

B

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RESULTS (EXAMPLES)

• insecurity and breaking-off

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INSECURITY AND BREAKING-OFF

Scarlett and Rhett

COUPLES OF INSECURE AND UNBIASED INDIVIDUALS

partner love

0

reaction to love

insecure

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INSECURITY AND BREAKING-OFF

1861 1864 1865 1869

before the war after the war

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INSECURITY AND BREAKING-OFF

1861 1864 1865

1869

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INSECURITY AND BREAKING-OFF

1861 1864 1865

1869

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INSECURITY AND BREAKING-OFF

CAN WE PREDICT

ALL THIS?

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INSECURITY AND BREAKING-OFF

0

before the war

0

after the war

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INSECURITY AND BREAKING-OFF

0

before the war

0

after the war

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INSECURITY AND BREAKING-OFF

0

before the war

0

after the war

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RESULTS (EXAMPLES)

• aging and crises disappearance

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AGING AND CRISES DISAPPEARANCE

young couples often have turbulent relationships the turbulence often disappears with age

CAN WE EXPLAIN THIS?

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AGING AND CRISES DISAPPEARANCE

COUPLES OF INSECURE AND SYNERGIC INDIVIDUALS

love

time

less and less heavy less and less frequent YOUNG

COUPLES

THE REACTION TO APPEAL DECREASES WITH AGE

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RESULTS (EXAMPLES)

• triangular relationships and unpredictability

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TRIANGULAR RELATIONSHIPS AND UNPREDICTABILITY

she changes partner 7 times in an unpredictable way the story is interrupted by her suicide

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CAN WE EXPLAIN ALL THIS?

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Kathe is secure, synergic, and in conflict

Jules is secure and platonic

Jim is insecure, unbiased, and jealous

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periodic

quasi-periodic chaotic

Kathe’s conflict

Jim’s jealousy

chaos future is unpredictable

unbearable

stress suicide

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RESULTS (EXAMPLES)

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…and more much more!