surprisingly dense considering there's only three pages.
The fact that this is a regular occurrence for the two of them combined with the subtext that each of them are turned on by it but neither wants to admit that, so the vomit lady uses the player guy as an excuse which also makes the helper lady jealous and feeds into the desire they each have for one another. The casual way vomit girl licks helper girl's fingers as soon as she offers them, it's a real practiced type of intimacy.