You have just described the relationship between males and females. Two completely different species, completely unintelligible to each other, living side by side and thinking they're really the same. The fascinating thing is that the two species persist in marrying each other and having babies, sometimes of one species, sometimes of other, and the whole time they can't understand why they can't understand each other.
RelationshipsCommunicationUnderstandingMarriageGenderDifference