Visitors should be entertained with food and drink. The dream follows the logical sequence of events that would happen in real life.
Dream interpretation of classmates visiting and you cooked for them:
This dream might have been triggered because of nostalgia. You missed the old times or you missed your old classmates.
Someone you saw during your day resembles an old classmate and this stimulated your old memories to replay in a dream.
Dream imagery of being a hospitable host is a hint to remind you to be charitable towards guests, or people who need an extension of helping hands.
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