First date, any suggestions?

Anonymous

Hello, I'm a 18 year old guy and I like a girl (18) so yesterday I asked her if she want to go on a drink with me next week and she said yes. I liked her for quite some time for now but she had a boyfriend so I couldn't do anything. Us two are also dancing on prom (she asked me). We also know eachother for more than a year because we were partying together often but than we lost contact. I was looking for any kind of help with my first date, any suggestions, any kind of help would be very appreciated. Also I wanna know when should I text her to arrange a date if that date will be next week, probably in the middle of the week?

Updates
1 y
Well I asked her out theough snapchat tiday to arrange that date. I texted her at 7 pm and she still didnn't answer. Why would she say yes and now do that to me?
Updates
1 y
She finally texted me back saying that she is free tomorrow evening.
First date, any suggestions?
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