Earth and fire admire and exasperate each other: fire wants it now, earth wants it right. Used well, fire brings the push and earth makes it real — a formidable team. Otherwise you feel like brake and chaos to each other.
Two mutable signs: infinite adaptation, mutating conversation, plans that change without drama. The hard part isn't getting along — it's deciding. This bond does well when someone says 'this, here, now' once in a while.