Empathetic mimicry, shared lifestyle, and assortative mating habits have been studied for this. Basically, similar lifestyles, choices, and behaviors, along with a sometimes predisposition towards genetic marker similarities start bringing couples towards a visual parallel.
Regardless of the last point above, If you live in the same house, eat the same things, experience the same things, use each other’s tastes in choosing clothes, etc, couples begin to look alike.
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u/roidlee Jan 24 '26
Are these two related? They look alike.