She could have rambled with all the fervor of a woman who had loved one entity for longer than most races live, and with the inviolable, unquestioned certainty found in dementia. There were references...
Limerence is an obsessive, unrequited love. It is actually a disorder. A disease if you will.
In a dazzling vote of confidence for form over substance, our culture fawns over the fleetingness of being “in love” while discounting the importance of loving. (206)
It was possible she might not have the right feeling after all, that she wasn't in love, wasn't in limerence, but was in some unnamed place alone.