靈犀

rhinoceros horn, reputed to confer telepathic powers / fig. mutual sensitivity / tacit exchange of romantic feelings / a meeting of minds

quick / alert / efficacious / effective / to come true / spirit / departed soul / coffin

rhinoceros / sharp

kindred spirits

mental rapport / likeness of mind / spiritual link

hearts linked as one, just as the proverbial rhinoceros communicates emotion telepathically through his single horn (idiom); fig. two hearts beat as one