Their heart and mind are still stuck there, although they may deny it, and they can not handle being in a relationship. This can show up as jealousy in someone who has been cheated on in the past. In others there may be the comparison game such as: My ex did that too and it drove me mad.
Note: One of the largest ever recorded humpback whales measured in at 89 ft. long. These marine mammals are generally either a dark grey or black color with white patches on their stomach and knobs (known as tubercles) covering their head.
Yes, whales are mammals, however due to the fact that they live in the ocean these large animals are referred to as marine mammals. In fact the blue whale is the largest living mammal (and animal species) on this earth. In terms of size the blue whale can grow to lengths of over 90 ft.