I mean, just look at her…  she just gets thinner and thinner…

“At his age?”  Doc (and everyone else in the Trailverse) has been the same age for years (decades) now…  Mark and Cherry are the only ones who got the other-than-shit-end of that stick.  Rusty locked in perpetual pre-pubescence, Doc a Sept- or Octogenarian…  Andy of course is ageless…  what is he in dog years?  Who cares, really…