Why do girls use me for what they can get out of me then get rid?

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+1 y
For example I've been seeing a couple of different girls since I split with my long term girlfriend and all they want to do is smoke then go they say they like me when I ask them but then they leave me really put my confidence down cos my ex used to say u was beautiful and she really was a nice looking girl best I've had so I just don't get it
Why do girls use me for what they can get out of me then get rid?
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