And he was obsessively in love with Elaine Karvall, a passion which seemed to nourish itself on its own hopelessness.
"Space Viking"
Henry Beam Piper
He went on, thinking of only one subject, examining every possibility for revenge with a passionate patience, undiscouraged because one idea after another was plainly impossible, but continuing obsessively to think of others.
"Operation Terror"
William Fitzgerald Jenkins
He is driven obsessively to right these perceived wrongs and feels entirely justified in adopting whatever means he deems necessary in pursuing this goal.
"Moral Deliberations in Modern Cinema"
Sam Vaknin