They don't even know each other. Not really. All they know is how others treat them when they are possessing their body. That's not really knowing someone, is it? So how can there be love?
shareYou're probably right. But the same should apply to 99% of movies.
shareThat's the entire point of the movie. Being able to live each others life bonded them closer together than what would otherwise be possible. As social animals, humans are defined based on how they are treated and treat others. It makes sense.
There is also the part where he works to save her from impending death and they work together to save the whole town. Damsel in distress and saving the world are classic motives for love.