what can i do now? :(

what can i do now? i say sorry, she say i'm so annoying and singing sorry song to her..so i stop saying it. i ask if she don't want sit with me, i can change place..no ppl answer me. what should i do? Can someone tell me.. if i didn't forget what u told me i would not do this..i'm your friend, of course i know what will happen if i do that..but the problem is i forget already.