פירוש על הושע 2:18

you shall call [Me] Ishi, etc You shall worship Me out of love and not out of fear. Ishi is an expression of marriage and the love of one’s youth.

Baali An expression of mastership and fear. And our Rabbis (Pesachim 87a, Kethuboth 71b) explained: Like a bride in her father-in-law’s house, and not like a bride in her father’s house.