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Like Lucy, he looks at dating as a series of ratios and statistics, numbers he can calculate that will add up to the best, happiest, most stable future.

This was years before online dating came about.

It’s the opposite of swipe-based dating apps, chatty singles mixers at bars and frenetic speed dating events.

Tonight, it's the series 2 finale of the UK's first ever gay dating show, I Kissed a Boy, on BBC Three.

Joe, meanwhile, says Tinder's height filtering feature could actually make dating harder for shorter men.