Thalassa was prevented from joining the madness by Elarin at Sigrid's direct command. Sigrid made the decision because the princes looked overwhelmed and yet they were maintaining a polite attitude in dealing with all the women. They were not fools, this kind of attention was not new to them.
The fact that Thalassa was not participating in the eager attempts to charm him actually impressed Firron all the more and he looked at her a few times. This displeased the queen and she declared the start of the lunch.
The two princes were visibly relieved when they were sat away from most of the ladies. Sparks however flew because the sitting arrangement she had prepared had been tampered with.