Source: CBS New York
The color is determined for each blood type, indicating that he is Type O.
By the way, A is yellow, B is white and AB is red.
According to this video, most of billionares are O. 你的血型決定你的命運，O型血最有錢？AB型血最稀少？ | 老高與小茉 Mr & Mrs Gao Mark Zuckerberg O - Facebook Steve...