The following statement is doing to the rounds across the social web : When a dog sees its owner, its brain secretes the same substances as ours when we are in love. It is usually accompanied by an image such as this one:One of the Twitter accounts tweeting this has ~1M followers and the tweet in question has received 1,624 retweets and 1,985 favourites as of this moment.hen a dog sees its owner, its brain secretes the same substances as those secreted by an addict's brain when on a cocaine trip.