In some families, you grow up with the expectation that it’s OK to ask for anything at all, but you gotta realize you might get no for an answer. This is Ask Culture.
In Guess Culture, you avoid putting a request into words unless you’re pretty sure the answer will be yes. Guess Culture depends on a tight net of shared expectations. A key skill is putting out delicate feelers. If you do this with enough subtlety, you won’t even have to make the request directly; you’ll get an offer.