These dogs suffer from some serious Peter Pan syndrome. It takes boxers about three years to reach maturity, making their puppyhoods one of the longest in the dog world. (14/14) by Judy Powell August 18, 2020, 7:14 pm Credit Judy Powell 0 Previous 14/14 Next View full list See more Previous article For a Pug, there is no such thing as too many balls. Next article This is a 100% real picture of you in the future. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.