Please help- I apologized, and now I feel even worse.?

My bst frend & I alwys joke around, & I always poke her & stuff, & whn she's wrtin, she always concntrts rely hrd, but tdy, in English when we were suposd tobe writin, we had a sub, so we all talked.&, I was tryin to tlk to her, but she was concntratin, so she was gttin mad. & then I would pinch her to make her pay attntin, & she would block her face with her book.. I thought this was just her- playin round wit me,like we alwys do.I alwys meet her at her lcker & thn we wlk out of skool tgether, & tday, she ddnt evn aknwldge me, & then anther friend of hrs said bye, & she just fllwed her, & ddnt even talk to me on the way out, & when we got out to our buses, she said you know- you look really funy when ur mad.so i felt bad, & i jst cald her to apolgze and i thout i wud feel betr when i pologizd, but im not the kinda person that uslly pologizes, &she askd me why i clled and she wsnt mad nemor & her lttl bro gt on the othr line and started lafin @ me so now i feel wrs thn b4 i called her.