be the making of someone

be the making of (one)

To be a positively transformative event in one's life. He used to be irresponsible with money, but buying a home was the making of him—he's never been late with a single payment! In many ways, surviving that internship was the making of me.

See also: making, of

be the making of someone

ensure someone's success or favourable development.

See also: making, of, someone