But others are automatic â though not guaranteed â such as the jump from private first class to specialist. Once a private becomes a specialist, he begins prepping for leadership. This is a crucial time in his molding process because he will soon enter the ranks of the non-commissioned officer corp.
1 Puppies will stand up and start walking. 2  At the age of 3 weeks a puppy will develop its sense of smell. 3  At 3 weeks the puppy will begin to bark and show social development such as wagging its tail, growling and baring its teeth.  Up to the age of 4 weeks the mother will be with the puppy almost constantly.
When your puppy reaches about 5 months old, you should be able to increase his walks to 15 minutes daily (or twice each day) - add a couple of minutes onto the walk each week until your puppy can easily handle 60 minutes.hen your puppy reaches about 5 months old, you should be able to increase his walks to 15 minutes daily (or twice each day) - add a couple of minutes onto the walk each week until your puppy can easily handle 60 minutes.