That's no age difference at all. get at least one of your pals to go along or else your on an outing not a date
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Keep smiling, it makes people wonder what you're up to.

so it doesnt sound like a double date? 2 girls, 2 boys.

just hope she is not trying to set me up with her friend, cos knowing my luck i wont like her, and would feel strange if she liked the kyle guy

That is no age difference at all. When I was 16 I dated a 22 year old it's not unusual.
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Keep smiling, it makes people wonder what you're up to.

I would advise you to stop being fixated on her. When you are in that state, you hardly know a person, but your mind fills in the blanks and makes up an idealistic back-story. Plus you keep fantasizing lots of mutual scenario's. Stop that line of thinking! It's easy to fall into doing it. Plus, it can make you feel down.
There is no girl of your dreams x 1000!
Definitely see where the friendship goes though. Meet up with her and her friends. Get to know her, and them. People often have friends that have similar qualities. It may well be possible that although you and perfect girl don't go beyond friend, you may well find one of her friends may be what you want! Don't expect that though! Just see what happens.
I suspect that when men/women meet someone, they assess whether they want friendship, relationships, love, or nothing at all with that person fairly early on, and it's always going to be hard to change categories once you've been tagged!

Oh yeah, one more thing! I would never take someone to the cinema on a first/early date! You spend most of the time distracted by a film (and a crap one at that, if it's Jumper!). Arm creeping round the shoulder clichés are strictly from the realm of crap American highschool dramas.

well turns out the other two of her friends where boyfriend and girlfriend. i did feel quite uncomfortable because i didnt know them all that well, and didnt really say much, though she did try and talk to me a lot, and i just gave a lot of 1 word answers

Oh dear, sorry to hear that. Onwards and Upwards is my motto at the moment. And you're only young so plenty of time to find the right lady.

so how was it left are you seeing her again??