Both women would agree on two famous adages: necessity is the mother of invention, and fortune favors the bold — Written by Raghu Kumar, co-founder of RAIN, ex co-founder of Upstox In Japan, the 5th most common surname is Watanabe, making up approximately 1% of all Japanese surnames. However, the term “Mrs. Watanabe” doesn’t denote a specific person. Instead, it refers to a generic, collective make-up of Japanese housewives who…