At 3 weeks the puppy can focus its eyes and move around. At 30 Days the puppy plays with its brothers and sisters. At 6 weeks the puppy has teeth. Puppies stay with their mothers until 8 weeks. The first 8 to 10 weeks of a dogs life are considered the puppy years.
Puppies discover their personalities in the first weeks.
When a puppy chews on clothing and other things it is playing. Chewing also helps the puppy's teeth grow in. The milk a puppy drinks from its mother is good for them when they grow. It contains protein, fat, sugar, and minerals. The milk also contains anti-bodies and disease fighting proteins.