Perhaps the biggest indicator to when it might be time to make a difficult decision, is your pet's quality of life.
How will you know if his quality of life has diminished?
Think about a typical day when your pet was healthy:
• How much and how often did he eat or drink?
• Does he eliminate in the correct place?
• Does he still play with his favorite toys, or enjoy favorite activities?
By taking note of these items – and anything else that was an integral part of your lives together – you can begin to see more clearly the ways in which your pet may have declined.
Here's a few different Quality of Life scales to consider: