Adolescence is the awkward teenage period between childhood and the adult years (13 to 19 years of age).    Adolescence is the development of young kids. The stage starts  around puberty and last until adulthood.
A gentle giant, the Irish Wolfhound is one of the most expensive dog breeds to buy and own, with an average price tag of $1,800. This family friendly dog tends to get along well with everyone but has a short life span of just six to 10 years.
Check out one of the 10 most expensive dog breeds in the world. You won't find many of these exclusive dogs at your local park-unless you happen to live on Park Avenue.