What is the English to French translation of the following quote?

"Before I met you, I never knew what it was like to look at someone and smile for no reason."
Asked Sep 12, 2014
Edited Sep 12, 2014
Avant que je vous ai rencontré, je ne savais pas ce que c'était que de regarder quelqu'un et de sourire sans raison.
Answered Sep 12, 2014

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