Psychology says people who always finish other people's sentences may not be trying to interrupt

Psychology suggests that people who finish other people's sentences aren't always trying to interrupt. Their behavior may be influenced by predictive processing, conversational alignment, cognitive empathy, faster language processing, and a natural tendency toward cooperative communication. These psychological processes can cause the brain to anticipate what someone is about to say during everyday conversations.

Raccontata daeconomictimes.indiatimes.com