I certainly wouldn't assume a linear relationship between talking time and likeability. There has to be a drop-off at some point, since few people like being a

I certainly wouldn't assume a linear relationship between talking time and likeability. There has to be a drop-off at some point, since few people like being ambushed by someone who won't let them say a single word. Familiarity also plays a role. It might be somewhat relieving for a new acquaintance to carry a conversation, but wearying for a familiar person to subject you to endless verbal barrages.