Hey Mr Katsu, there’s so much to love about Spring! Blooming flowers and the sweet smell of fruits! So much to sniff, in so little time! Dogs sense of smell is 10,000 times better and their brain can analyze smell 40 times better than ours. Their nose is also their unique identity marker as our fingerprints are to us. Check out this NOVA link to learn more! http://www.pbs.org/wgbh/nova/nature/dogs-sense-of-smell.html