"Just how many healers do we have left on the train right now?" Vegeta hadn't been involved in the last set of anchoring, however he's heard from others what to expect, but this would still be all new to him. Despite hating the very concept of this, he will be doing his part, mostly to act as an anchor to others.

And this all sounded like it was not going to be fun for most involved, thus the importance of taking care of others afterwards as well as during.