Technology has already changed the way we communicate, but now it's revolutionising the way we fall - and stay - in love.
From gadgets that let you hold hands with distant loved ones to watches that share your heartbeat - the future of relationships is getting a lot more hi-tech.
But despite being heralded as a new era in expressing our affections, some experts have warned that a reliance on apps, gadgets and robots will leave us emotionally stunted.
?Everything that is useful has within it the potential to be abused. So there are dangers ... just as there are with cars, trains and ships,? said robotics expert Professor Martin Smith.
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