"I am not a sound bite person. I prefer to run at the mouth"

Marina Sirtis is revealing her choice for speaking at length rather than in other words, succinct sound bites. She is recommending that she is not somebody who can easily condense her thoughts into a few words, but instead prefers to elaborate on her concepts and opinions. This quote implies that she is a person who is comfortable with expressing her ideas and sensations in a more comprehensive way. It likewise suggests that she is positive in her capability to communicate her concepts and viewpoints in a more extensive way. By stating that she prefers to "perform at the mouth," she is suggesting that she is not afraid to speak her mind and express her ideas and feelings in a more expansive way. This quote reflects her willingness to be open and sincere in her communication, and her preference for revealing her concepts and viewpoints in a more comprehensive way.