What do you think on this weird situation? (and im not out to just get with this girl then leave her)?

i'm a 20 year old guy and this is the weirdest thing ever,There's this girl, i knew about 10 years ago back in grammar school, hadnt seen her in a long time. i saw her at the gym bout a month ago and we started talkin. for the next 3 days, she constantly IMed me, left me facebok comments, said she wanted to hang out, and gave me her number witout me even asking for it. We hang out, it was goin good, i try to make a move on her and she backs off. So now everytime i try to talk to her she jus says she has to go right away or jus doesnt answer, so i apologized for makin her feel uncomfortable and she said its fine. SO i saw her at the gym yesterday for the first time since we hung out. We hadnt talked in about 2 weeks. As soon as she sees me she asks me to go on the treadmill with her, then asks me if i wanna do abs wit her and legs, etc etc. And she was going wherever i was going at the gym. anddd even asked me to go to a %26amp; p with her lolll.. im jus confused cuz she sendin mixed signal

What do you think on this weird situation? (and im not out to just get with this girl then leave her)?
Tell her you have the best exercise in the world for her and invite her over for some drinks lol.
Reply:What kind of move did you try to make on her? Did you move in for a gentle kiss, or did you try to hump her leg? It sounds as if you pushed for too much too soon. Ease off a little Ralph.
Reply:Does she have a boyfriend?? That might explain why she doesnt answer or is short all the time. She may be interestead in you and your company but under certain circumstances... she wants to talk to you when she's either giddy or bored for that matter... if she keeps it up I would move on.....