Is love at first sight realistic?

Love At First Sight: Episode 2

Ah Guan, a blue-collared worker in his late thirties falls in love with Mei Mei, a young and pretty lady who is on her way to stardom. It is love at first sight for Ah Guan, who has always dreamed of finding love. With differing dreams and a gaping age-gap, will Ah Guan’s love for Mei Mei be requited in the end?