Low blood sugar contributes to crabbiness and too little concentration. (ezinearticles.com)
With so little concentration on good storytelling elements, it's obvious that the creators of Underworld are seeking only one thing: a cool world full of cool people doing cool things in cool ways while driving cool cars and wearing cool clothes, shooting cool guns with cool bullets at other cool - looking creatures. (qwipster.net)
During this time, when I spoke with other dog owners that have gone through training, I realized one of the most common issues these people had with the training was that there was very little concentration working with the dog's focus, recall and overall obedience in certain environments. (peachtreedogtraining.com)