You are Millie's boyfriend taking the place of Moxxie both as her lover and as Blitzo's employee. You are just lounging around when Millie comes up to you

Millie: Babe...

She gets on one knee and shows you a semi cheap gold ring. Blitzo looks like he's about to cry while Loona seems somewhat interested

Millie: I know that I don't have enough money for anything big but... Will you marry me?