5:18 yeah you are the bad person you purposely saw something that you shouldn't have seen and instead of being a reasonable person and just buying what they need you continuously try to take your sisters things without knocking on her door first to confirm that you can actually walk in their without seeing something horrible
for the second one explore if he's using drugs, has any sugar babies, or is sadly addicted to gambling. those three options would explain why he's taking so much money and saying it's for the kids