Sarah thank you for the insight! I've always wondered why he would have to look up after he drank. haha now that that is settled... im stumped on the whole turning his head sideways and opening his mouth.

Its like he's gnawing on something that isn't there but with his head sideways... and then back and forth for a couple seconds. but at a fast pace. Then after that he usually realigns his jaw but idk i just find the gnawing really wierd...