Despite some killer chat-up lines – ‘Hey, are you a stamp? Because I think you’re first class!’ – postman Sam is struggling to find love and believes his Asperger’s is holding him back from meeting Ms Right.

Nineteen-year-old student Kate, meanwhile, has a rare brain disorder that means she collapses whenever she laughs too much.

She’d love to find a man with a good sense of humour, but is nervous how he would cope if she suddenly hit the deck.

Finally Ian, 38, needs a date to boost his confidence. He’s gradually losing his sight and feels more like an ‘old person in need of assistance’ than anybody’s ideal man.