As long as you're polite about it you can. In theory. Billy's definitely always tried to put on a good face no matter what's he's served in guest type situations, so he understands Tommy's worry.

Billy's drained about half his glass of water all ready, pausing to give a pleased grin, glancing to Tommy.

"That's great. I um- I mentioned some of what you said to Tommy, about maybe getting the testing done. Is that something we could do from home?"