In many Spanish countries we have a similar one: "le das la mano y agarran el codo", which translates "you give them a hand and they'll grab the elbow".
"Give someone an inch, and they will ask for a mile!"
Same in Norwegian :-)
Languages and cultures are such a fascinating thing. How can Polish and Norwegian come up with the same expression, without a shared, common ancestry and the countries not being direct neighbours.
"Give a man a fish, and he'll ask for two." Wait...
In Chinese it's give people an inch and they would want a foot.
I like the possibly unintended double meaning of "foot."