For the older zombies, they could always opt for those "over the hill, too old to count" candles.
Or, just number candles, you wet blanket.
You must put candles as your age's numbers on the cake.JunkoYugiriFufuAh, it's my birthday today.How many candles do you need?So we're going to prepare the candles and cake!Umm, it's 2019, so 27...28?What're cake and candles for?I almost forget it because of the loss of my memories.