Xbox Live account management?

Hoe do i cancel a windows live accounts. cuz currently my parents is on my live account and i want to put mine on there. so queston 1 is - Can i used Yahoo or any other email on XBL? 2- How do i cancel a windows live account on xbox live? cuz alll this nonsense and bullshit im going through doesnt even seem its worth having Xbox live anymore....|||TI have a yahoo account so yes u can and to Xbox live on PC and tell them u want. Cancel