When an ex-boyfriend says that he can't stop thinking about the girl, it typically means that he is still emotionally attached to her and thoughts of her occupy his mind frequently. There are a few possible reasons why he might be saying this:
Lingering feelings: He may still have feelings of love or affection for the girl, and those emotions are causing him to think about her often.
Unresolved emotions: If the breakup was recent or if there were unresolved issues in the relationship, he might be grappling with these emotions and memories.
Regret: He could be experiencing regret for the end of the relationship and is struggling to come to terms with the fact that she is no longer in his life.
Comparison: Sometimes, when a person starts dating someone new or sees their ex-girlfriend happy with someone else, it can trigger thoughts and comparisons, leading to persistent thoughts about her.
Nostalgia: Memories of the past, especially the good times shared in the relationship, can lead to constant reminiscing about the girl.
Missing the connection: If the relationship was meaningful to him, he might miss the emotional connection and bond they had, which can result in him thinking about her often.
It's important to note that just because someone can't stop thinking about their ex doesn't necessarily mean they want to get back together. People can have strong emotional attachments to their past partners without desiring a reconciliation.
If you are the girl in question and you are not interested in rekindling the relationship, it's essential to set boundaries and make your feelings clear. It may be best to limit or cut off contact with your ex-boyfriend to give both of you the space needed to move on and heal.
On the other hand, if you are the one experiencing these thoughts and emotions, it's crucial to take the time to process your feelings, seek support from friends and family, and consider talking to a therapist if you find it challenging to cope with these thoughts. Healing from a breakup takes time, but with self-care and support, you can eventually move forward and create a healthier emotional space for yourself.