"We Don't have any Zombrex, do we, Daddy?"
"Uhhhhh... Well, you see honey, I kinda bet the last few doses in a game of blackjack and sorta lost it all... I totally was going to get more after I saw my bookie, got my knees busted, won this silly contest, and used the rewards to totally save our sorry selves..."
I'm sorry, but in a zombie apocalypse having the anti-zombie meds is pretty high up on the priorities list along with not getting bitten and packing some lethal weapons. What other decisions did the protagonist make in his life?
"Oh, uh, sorry honey... I was totally going to barricade the door but... I saw, like, a butterfly outside and it was really cool!"