2 Samuel 7:24

For thou hast confirmed to thyself thy people Israel [to be] a
people unto thee for ever
So long as they were obedient to him, and observed his laws and statutes, and abode by his worship and ordinances, otherwise he would write a "loammi" on them, as he has, see ( Hosea 1:9 ) ;

and thou, Lord, art become their God;
their covenant God, they having avouched him to be their God, and he having avouched them to be his people, ( Deuteronomy 26:17 Deuteronomy 26:18 ) .