Earlier quoted context omitted.
More heartbreaking would be if the pets of these suicide owners die of starvation over a period of terrifying, lonely days. It's more heartwarming, if anything, that a person who wishes to end their suffering still holds empathy and respect for the living.
The pets won't die of starvation. They tend to eat their former owners. Cats especially seem to go for the face. Source: am pathologist.
… and then die of starvation, presumably.