Let's assume you've been friends with Katie since kindergarten. Even as innocuous six year olds, you knew you'd be each other's maid of honor. While time often makes many friendships grow weaker, the two of you remained almost inseparable through college. Then, gradually, you begin to have sporadic arguments with each other, sometimes over the silliest things. As relationships and shifting responsibilities chart different paths for you both in your adult life, you start to grow apart. Once touting yourself as sisters from a different mother, you're now mere acquaintances who may connect via text on special or solemn occasions, like birthdays or the death of a loved one. Is the scenario described above all that atypical? Sadly, the answer is no. You've likely experienced it at some point with a friend you have held in high esteem for many years. While many friendships can bounce back, they may never go back to the way they once were. But that ...