"Thank you kindly." He can't hold Klaus and grab that bottle at the same time so he waits until Klaus is settled back down again in his lap before plucking the bottle from his grasp.

"Don't mind me drinkin' straight out the bottle." Usually he at least pretends to be a gentleman, pour it in a glass, take his time with it. Klaus and Five are 1306-adjacent. They can probably get a peek of less-inhibited-Doc and he would be able to live with it.

"Hope tonight has you feelin' good." The few faux pas aside.