If they bring it up to Teyla or Ronon, they immediately occupy themselves. Ronon will shovel food into his mouth, and Teyla will introduce a new topic of conversation with no segue. Clearly they're right and it's a Wraith thing, or their teammates would be concerned too.

(Really, they just hate it when Rodney sulks and John withdraws when either of them are hit on or the recipient of friendly flirting).