She has always had a difficult relationship with her son, feeling him to be "too big for the Square" and fears that Pat's revelation, that he is the true father of Pete's son Simon (Nick Berry), will tear her beloved family apart. Before his return to New Zealand, Lou manages to make amends with her estranged son, despite Pat's malicious stirring – who later admits to Simon that Brian Wicks (Leslie Schofield) is his real father after all.
Her relationship with her son has been consistently tumultuous, as she perceives him as being "over his head" and worries that Pat's announcement will shatter the harmony of their family. Before leaving New Zealand, Lou makes peace with her long-distant son, despite Pat's malevolent interference – who later confesses to Simon that Brian Wicks is actually his biological parent.