I have a suggestion in that case,' said Lymond. 'You two have the orgy, and I'll keep the drinker's headache.
Lymond proposes an alternative plan, suggesting that the two individuals have the orgy while he takes care of the aftermath by handling the drinker's headache. This indicates his willingness to share the responsibility and possibly his sense of practicality or humor.
"I have a suggestion in that case," said Lymond. "You two have the orgy, and I'll keep the drinker's headache."