This article describes five key strategies that have enabled me to successfully foster my son’s ability in the minority language, to the age of 4, despite being basically the only source of exposure to this language in my young son’s life. My wife, my son, and I live in Tokyo, Japan. My wife is Japanese, I’m American, and our son, Soma (a name we considered, but not his real name) is a dual citizen. As a family we have never