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.
5 Ways to Keep the Erotic Spark in Your Relationship. Some psychologists maintain that the feeling of intense romantic love only lasts about 18 months to at most three years, however, I'm sure many of us know at least one couple where the sparks still seem to fly decades later.