Answer:
Finally, his parents and siblings convince Ben to speak about his concern at dinnertime.
Step-by-step explanation:
As it can be understood, Ben's parents and siblings convinced him to talk in a calm and private enviroment such as dinnertime. In this context, and provided they approached him in a peaceful way, there won't be any tensions and Ben will be able to communicate his problems, and feelings towards those problems as well, in confidence.