This is the reason why most of the rebound relationships seem to move so fast. She knew she wanted to breakup with you but she didn’t expect to be so much miserable after the breakup.Because a rebound relationship is an attempt to reach the level of intimacy that only long-term relationships have. She has an old friend Garry who comforts her, she finds herself attracted to him.
If your ex started dating someone else within a week of breaking up, then it’s more likely to be a rebound.
On the other hand, if they waited an appropriate amount of time (like three to four months) before entering the new relationship, it’s less likely to be a rebound.
Being intimately close to someone gives us a feeling of security and a boost to our self-esteem.
It’s the kind of intimacy that is built with time and effort that a relationship requires.
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.