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Long the domain of poets, artists, and philosophers, love is a fairly new topic in the world of scientific study. However, despite being late to party, science has provided some excellent insights into why romance makes us act the way we do. Indeed, these days, if you want to really know if you’re falling in love, science has the answers! Culled from neuroscience and behavioural psychology, here are seven actual, scientific signs you’re falling in love.