better to get kiss from Thud than from her. XD
I knew it! Something in me told me it's from here...
Well, maybe it happened a little before? When they talked about who will eat last treestar? Wait, though I remember Petrie wasn't here, he flyed up to Ducky only to measure, and then they all run for treestar.
Then maybe it happened during scene when Grandpa's lecture? XD