Lyric discussion by Atemporal 

honestly, this song is quite self explanatory. "what is and what should never be" clearly relates to a relationship with a female. basically this song is in hope of favoring "what is" as she will be his by them "takin our(their) time..." it's not that hard to interpret. what is and what should never be is pretty much the age old question of asking out a girl and or trying to "mack" it, seeing if she is feeling you. in this song, zeppelin speaks of the force, the force being "what is and what should never be" taking charge of all attempts at relationships, whether they be long term or short term, most likely sexually related relationships. nothing wrong with ones of that sort, they're always the best. -PEACE-

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