Get ready for your heart to explode!
Ours certainly did when we saw this picture of a tiny Golden Retriever service puppy meeting a firefighter for the first time.
The photograph was posted on Reddit this week.
Redditor WaryGary, who notes his involvement with a group that raises and trains services dogs, explans that puppies meet with "scary-looking" firefighters to help build their confidence.
The service puppy doesn't seem too scared.