OT: Your lab is really beautiful! I just love labradors. This is my second one. My first lived 15 years and was a great joy in my life.
Here's my girl Lula at ten weeks. She will be 21 weeks this weekend and is already about 50 pounds. I plan to take some more pictures of her today. I got her at nine weeks and train her everyday since I'm at home with her. I've had eight surgeries in the last five years and got her to help me heal. It was very difficult at first but, she got me moving and now we walk everyday. At 4 1/2 months, I'm amazed at how well behaved she is getting and very proud of her. She is truly a gift and I feel very blessed to have her sharing my life.
Bridge ... your technique for training is similar to the techniques of Cesar Milan. I have been training my dog the same way. I thought I was great with dogs and then found out I could do even better. I thought I would have to wait until she was two to get control of her but, with proper training, even a puppy will step right in line. We are still a work in progress though LOL...not quite perfect but, striving to get there. Exercise, discipline then affection :)