The great benefits of being an introvert don't come from faking extroversion. They come from honoring yourself, knowing what's best for you, and living that as much as possible. Be true to yourself and you'll find being an introvert is not nearly as bad as it's made out to be.
Now I know to engage with him at dinner time, well before bed, so that he can "process" his thoughts for the day, and he knows that I do not like it when he comes to bed ready to chat about his challenges. So he tries not to. Which is kind.