Finally, remember that "everyone who's ever gotten over a loss at some point thought she or he wouldn't," says Alan Konell. "But you will. And you'll find that you still have that ability to open your heart and love."
I don't know if this is true. Sometimes people become 'emotionally unavailable' and just never truly love anyone ever again. If you read about this problem, it seems that it can be temporary ("the rebound") or long term if someone really had a traumatic childhood and bad relationships early on, etc.