All the words and phrases you've used here indicate what you should be doing.

"I don't want to get back with her"

"Reel her in"

"Tactics"

"Take her or leave her"

"Make her give in"


Seems she's the one who would come out of it hurt, whilst you're unaffected.

So do the right thing & leave the girl to move on rather than using her for your own selfish desires.