As George Eliot demonstrates succinctly, even detachment can become an attachment:
from Middlemarch
George Eliot"I think she is," said Celia, feeling afraid lest she should say
something that would not please her sister, and blushing as prettily as
possible above her necklace. "She likes giving up.""If that were true, Celia, my giving-up would be self-indulgence, not
self-mortification. But there may be good reasons for choosing not to do
what is very agreeable," said Dorothea.