Covenant doesn't even think about Lena after chapter 7, this is when he stumbles back onto the thought in Manhome. If anyone started reading the books but was put off by the rape, this is the passage to convince them that Covenant hated what he had done.
I couldn't resist posting this passage - I though about chopping some bits out to shorten it, but it's just such a good passage I didn't want to ruin it.He glanced up at her.
'You must take food,' she scolded. 'Already you are half dead.' Her shoulders were squared, drawing her shift tight over her breasts. She reminded him of Lena.
Prothall was saying, 'He has not told us all that occured at the Celebration. The ravage of the Wraiths was not prevented - yet we believe he fought the ur-viles in some way. His companion blamed both herself and him for the ill which befell the Dance.'
Covenant trembled. Like Lena, he thought. Lena?
Darkness pounded at him like claws of vertigo. Lena?
For an instant, his vision was obscured by roaring and black waters. Then he crashed to his feet. He had done that to Lena - done that? He flung the girl aside and jumped toward the fire. Lena! Swinging his staff like an axe, he chopped at the blaze. But he could not fight off the memory, could not throw it back. The staff twisted with the force of the blow, fell from his hands. Sparks and coals shattered, flew in all directions. He had done that to her! Shaking his half-fist at Prothall, he cried, 'She was wrong! I couldn't help it!' - thinking, Lena! What have I done? - 'I'm a leper!'