Once common throughout much of western North America, the grizzly bear species currently reside in five separate populations in western Canada, Alaska, Wyoming, Montana, Idaho and Washington; and there are around 30,000 bears in Alaska.
A rebound can last forever or a week. It completely depends. If you are already looking at the relationship as a rebound then it should end soon. You will not last with a person you feel is nothing more than a rebound to you.
So, how long does adolescence last? Adolescence lasts in some ways for a long time; longer than most people think; and in some ways, in certain people, growth can be stunted. Some young men and women never mature socially or sexually. Probably a great number never find work that is satisfying and fulfilling over an entire lifetime.