I've heard that just taking it can cause food aggression but if you trade it for another treat and then praise you are teaching him it's ok to let go and building trust. How old is Duece? Radar is 12 weeks and has just started learning to run from me when he gets a tissue or something I don't want him to have. My first instict is to run after him even though I know better. I make myself stop and calmly get him a treat to trade with and it always works!