Hi, does anyone have any advice on sniffing. Milo is a really big sniffer, when we go on walks, he must sniff everything, like he is getting the news of the neighborhood. I have tired to use food to motivate him, the problem with that is when he sees the food he thinks it is a treat and sits down like I taught him. He walks on a Gentle Leader chest harness, any suggestions on how to keep the head up and moving forward on our walks. I would like to walk a little longer with him, but with him sniffing everything it takes too long. Thanks