They eat beans mostly, this old yellow pair. (line 1)
We've said it before and we'll say it again: beans aren't that great. They just happen to be the cheapest food you can buy. Our guess? This couple isn't exactly rolling in the dough.
Plain chipware on a plain and creaking wood, Tin flatware. (lines 3-4)
Just about everything in this description points to a family that never had too much money in the good times – and the present day sure isn't part of the good times. Everything is cracked and chipped and, well, generally falling apart.
Two who have lived their day, (line 6)
The poverty that this couple is living in might be made worse by the fact that they're both elderly – perhaps even too old to work.