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.
Researchers found that the average separation lasts a year or less. For couples who eventually reconciled, most did so within the first two years. Beyond two years, there is little chance that a couple will reconcile. Many couples who end up divorcing do so after three or four years of separation. A few separations last more than 10 years. Those relationships tend to result in an ongoing separation where complicating factors prevent the couple from divorcing.