Now that he knew himself to be self he was free to grok ever closer to his brothers, merge without let.  Self's integrity was and is and ever had been.  Mike stopped to cherish all his brother selves, the many threesfulfilled on Mars, both corporate and discorporate, the precious few on Earth - the as-yet-unknown powers of three on Earth that would be his to merge with and cherish now that at last long waiting he grokked and cherished himself.