They did not get positive human interaction so will need a lot of patient socialization before they are comfortable enough to go to their loving forever homes. (foxvalleypets.org)
By five to seven weeks, a puppy needs positive human interaction as he or she develops curiosity and explores new experiences. (dog-care-centre.com)
As the puppy reaches 5 weeks, she needs to experience positive human interactions to develop a sense of discovery and curiosity. (snowyswan.com)