As 24 hours of footage is cut down to 40 minutes of TV on Love Island, Jake and Faye become 'villains', Liberty and Priya 'princesses' and Toby the permanent 'joker'. But instead of simply gossiping about last night's Casa Amor antics, a love expert insists there's lessons in 21st century love we can all benefit from learning when the hit series comes to a close on Monday.