The next day after Helen's burial was the day in which Ezekiel told Billie that he will be clearing his confusion of confirming if whether Theogo was really dead or was still alive after he veritably saw and knew that it was all curtains for him as he witnessed his flint sister Helen effortlessly using the golden gun make some holes on his head; that is by smoothly shooting five golden bullets out of it.
As per his plan, after the confirmation, he and Billie will carry on with thinking of which revenge is the best for them to take on Phoebe for their decedent sister. Mrs Ronda's words of him and his siblings leaving everything for her together with her suggestion of inviting Phoebe to the R mansion so as to settle things without any conflict was thrown into thrash. They can't just wait for their mom that was surprisingly doing things as if they were in the olden days where words can stop a war from happening. It's simply impossible for the Andersons to do so.