I think Odo wouldn't care as long as he could harass Quark. As soon as he heard Kes was 7 or whatever he would be down there like a shot threatening him, arresting him, trying to get whatever dirt he really wanted. Kes being 7 would be a little present for Odo.
I really don't wish to see more of her so tassels are a no go. Better the all over leather of Warlord.