a) i am the mortar incurring blow after blow from the abrasive quality of your negligence. no, i am herb between pestle and mortar the full realization of 'rock and a hard place'
b) i am the mortar between each brick you lay, in blue collar glory, or rock star slumming, to bind shaky corridors of past serenity and bear indiscretions on my limestone shoulders
c) i am the mortar you fire before crawling under covers for inexpensive *** and trashier beer by a lake on a camping trip where tents trump love like the queen of spades in a hand of hearts
d) in fact, these are false, merely possibilities -- actuality: you were never enough to make me spew homonyms in metaphor because you were nothing like them, always appearing changed but monotonous in meaning, and if you're so into contraposition, are we not but names for each other?