I'm not sure my ex wants to come back...

You are probably right. Your ex boyfriend or girlfriend at the moment does not want to be with you. That's why you broke up after all.

Firstly, read my article on how to make an ex who doesn't love you want you back.

The good news is your situation can change when you change. Even if your ex says "I don't love you", reminds you "it's over", avoids looking at you, or has no feelings for you, you can change that. Your ex has been with you before so it's possible to get together again provided you correct the dynamics.

The whole point of Bait Him Back and Bait Her Back is you discover what to do and say so your ex wants to be with you again. There's no manipulation or tricks. Your ex will want to be with you out of his or her choice. Check out Bait Him Back or Bait Her Back to get your ex running back in your arms.