You should be able to share the subscription with someone outside the household, but it is not recommended as it is in violation of the EULA. For more information on how to share Office 365 Home Premium, refer to the following link and check if it helps:
You Are the Sunshine of My Life  is a 1973 single released by Stevie Wonder.
You Are My Sunshine Today. Today the song is still almost instantly recognizable by most Americans. Many children grew up having their parents sing this song to them, and in turn sang it to their infants. It is also a song often sung by one lover to lover, husbands to wives, and wives to husbands.