"The heart shape (❤, ♥️) is an ideograph used to express the idea of the "heart" in its metaphorical or symbolic sense as the center of emotion, including affection and love, especially romantic love.
The "wounded heart" indicating lovesickness came to be depicted as a heart symbol pierced with an arrow (Cupid´s), or heart symbol "broken" in two or more pieces." - (en.wikipedia.org 26.09.2019)
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