Szer has been giving Bubu organic puffs to eat for some time. Initially she broke the puffs to pieces before giving it to Bubu.
Then Bubu learned how to bite the puffs.
Today, he took it himself and put it in his mouth. He realised that he can take it and help himself. Yet another milestone.
Oh shit, gotta watch him from picking up stuff from the floor and put in his mouth.