try to learn some yoga techniques, i spent years stretching (since i was 13 i just loved to stretch for some reason even though i wasnt a dancer yet). But i didnt know the details of how to stretch and when i started doing yoga i learned a lot more.
you can also do this kind of stretching, which i discovered recently:
http://www.youtube.com/watch?v=ehPF1r4u0eo.
Its called awareness through movement. it looks HELLA WEIRD but its good to teach your body how to move with the breath and without tension.