Mask are to prevent you from spreading it. If you got tested before meeting with them and know 100% you don’t have it there is absolutely no reason to wear a mask. None at all. Plus by not wearing one he was showing these vets that he didn’t consider them something to be avoided.
I think he just means knowing Ann she would get a lawyer and sue. Another of her scams. Not that she has an actual case. She would somehow end up on the news looking the victim.
They are not vegan. But the mom has been cooking what she believes will be healthy for them now that he is older. The joke is that Luann and Frank find it unappealing with Luann able to skip going out with Friends for pizza while he is forced to eat it.
The trick in the Vulcan salute is not to try to move the pinky. Instead use the finger next to it to push the pinky into position. That way they stay together.
I think what your missing is Tom’s next words “Anne has a son”?