a familiar stranger

you were roaming the streets of paris and then you see a stranger that caught your eye. he's on the other side of the street from you then he sees you looking at him and he brightly smiles at you. you weirdly get butterflies from that and his smile seemed so familiar even though you've just seen him. they say that people you've just met but seems familiar are from your 'past life'. you never believed in that. the places that feel like home to you but is new, scenarios that feel like have happened, familiar faces, you usually see them in your dreams but then, this, you've never seen him in your dreams. he crosses the street and walks over to you "hey, you from here?" he asks