My friends with a bf/gf claim to understand life & relationships better than those who don't have a bf/gf, is this factually true?

I find the need to have boyfriend / girlfriend a purely biological need leading to psychological compulsive feelings for opposite sex. (Just my thought)
My friends with a bf/gf claim to understand life & relationships better than those who don't have a bf/gf, is this factually true?
My friends with a bf/gf claim to understand life & relationships better than those who don't have a bf/gf, is this factually true?
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