pyrrhic

pyr·rhic
/ˈpirik/
(of a victory) won at too great a cost to have been worthwhile for the victor.

"with your love, your love
i'm a better, better man
with your love, your love
i'm a better, better man
darling, all of my wrongs, they led me right to you
wrapped in your arms, i swear
i'd die for your love, your love
i'm a better, better man
thought i'd found the highest of highs
you came and topped them all
you shine in the dead of the night
and i was the first to fall"

in which he decided that being lonely was his prerogative, as long as he's lonely with her.