Spider Robinson’s word, antinomy.
an·tin·o·my (n-tn-m)
n. pl. an·tin·o·mies
1. Contradiction or opposition, especially between two laws or rules.
2. A contradiction between principles or conclusions that seem equally necessary and reasonable; a paradox.
Somehow, he contrived to make an entire book about it, attempting to convey the sense of anomie in having antithetical choices. But the poet Frost expressed it more succinctly:
“TWO roads diverged in a yellow wood,
And sorry I could not travel both
And be one traveler, long I stood
And looked down one as far as I could
To where it bent in the undergrowth; ...”
One of the roads would have run into the fact that we gave away our baby carseat and my Angry Eggplant maternity dress a year ago :-). Not that those issues couldn’t have been dealt with ...