Basically, Sherri's idea had to do with bringing Fat's mind down from the cosmic and the abstract to the particular. She had hatched out the practical notion that nothing is more real than a large World War Two Soviet tank.
Philip K. DickThe pain, so unexpected and undeserved, had for some reason cleared away the cobwebs. I realized I didn’t hate the cabinet door, I hated my life… My house, my family, my backyard, my power mower. Nothing would ever change; nothing new could ever be expected. It had to end, and it did. Now in the dark world where I dwell, ugly things, and surprising things, and sometimes little wondrous things, spill out in me constantly, and I can count on nothing.
Philip K. Dick