Who said "The thing about true love is it will always be."?

This quote is attributed to Barney Stinson.

The thing about true love is it will always be. - Barney Stinson

"The thing about true love is it will always be."

Barney Stinson Love

"Legendary!"

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"Suit up!"

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"Love conquers all obstacles."

"Love is patient, love is kind."

"I'm not stupid, I'm just in love!"