Ayo indeed ...
And strangely enough I quite like that she doesn't just blurt out she's a Dragon. In fact it shows how serious this is for her since she is truly worried what would happen if she does. It shows the contrast between our three Main Dragons in the Story.
Take and Iruru getting more romantic, physical, and showing love for each other than Kobayashi and Tohru.
This is like proof that the reason Kobayashi's a lady is because Cool wouldn't be able to hold back if that relationship was straight instead.