in 2003, he decided to leave hong kong on a scholarship to study for a master of arts degree at central saint martins college of art and design in london and completed the degree in 2004. this was his toughest time as he had to stay in a friend's living room. but he regards it as the most valuable experience ever. he did not do part-time job because he preferred to live simply not to waste time and money so that he could have full control of his time.