Hey guys, I'm not sure what to do, so I want your guys' assistance on this one

Long story short:

>Met a girl at a park

>Introduced myself and had a deep convo with her

>She showed signs of attraction (looking at me, reciprocating the convo, wanting to get to know me more)

>I joking said that if she needs any math help(topic of convo) she should hit me up

>she just sort of smiled and left it

>then we started talking about other things

so my question is this: you guys think it's worth getting her contacts, or am I just wasting my time with this one?

I'm assuming I'm wasting my time with her because if she liked me, she would have tried to find a way to get my contacts...but since she didn't, It doesn't seem like she had any attraction.

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Your thoughts?