She feels that perhaps this guy can make all her pain and the emptiness go away. Whenever she is with him, her mind is not thinking about the breakup and you. But still whenever she is alone, the pain comes back.
She can’t let go of this feeling of emptiness even though she is a new relationship.
She feels a little better when she is with Garry, but she can’t shake the feeling that this relationship is not giving her the peace that she expected.
At this point, most people realize that this new relationship will not bring them the peace and happiness they were hoping it would. She thinks that the new relationship, despite not being what she expected, is still giving her some level of comfort.
If their behavior resembles that of a person in a rebound relationship, you can be know for sure whether or not you have a chance at getting back together.