I think you gave up a bit too quick. I'm sure she would have enjoyed coming to study, and letting an easy excuse like "I need to study for my chinese test" stop you is not very manly. The guy above who wrote "oh man I thought studying was still code for make out" is right, that's probly the best way to handle that, but I disagree that it should be a text/e-mail thing, it's actually not gunna work in that situation, IMO that's only a real life thing. Just tell her "Oh this isn't for me, you're coming over so I can teach you." In reality you didn't give her reason enough to come, she'd seem like a needy slut if she just JUMPED at your meek offer to come over and study, that was the perfect chance to even build more comfort and say "oh well really I just want to hang out with you, but I'm so shy I need to hide it behind the premise of studying

," flattery works if it's a slow thing like you're saying it is. Good luck =P