Been talking to this girl who I think could be a long term situation. Main question I came for is we snapchat a decent amount, I am busy out of town for a bit so not much else available. Pretty much only respond/snapchat later in the day to keep some push/pull going. Anyways she replys to every snapchat I send but sometimes I'll say something funny/ask a question and get a reply but no text, so just a selfie or something. Not sure what i should be doing with those, obviously there is interest or she wouldn't reply but why the empty response? Should I respond to that or just leave it? I don't want to mess with too many games and potentially lose her interest.

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I'm mostly used to short term so obviously i am trying to change my graft but not really sure what exactly I should be changing for long term?