@Innova
Sorry about being new here and starting off with a rant.
But what you are saying, I mean I get your point, but it is
Ok, so nogivingup is young, but there is no reason to persuade him that all his relationships are not going to last. Or even that they should not last, just because he is young! No way. Of course you often change your mind and feelings when you are 15, but that doesnīt mean that they are not big.
Ok, back to the topic.
What you should do is talk, nogivingup. No msn, no phone - simple face-to-face talk.
But donīt give her the "commitment-routine". Ty talking about your feelings and ask her about hers. If she needs more time, grant it.
On the other hand - reading your post again:
If you tried that already but to no avail... Then it might be best to forget about her. Harsh as it may sound, but there is heaps of oter fish in the pond. There might even be fish who like you
Get your mates together and spend a couple of nights out. Do some serious partying.
All the best...
chili
Edited. No advertising