deleted friend

I deleted a friend after a little disagreement, is there any possibility to bring her back sooner than in 7 days. I can´t play without her, I miss her already,and I´m helpless without her. I´m sure she takes me back because she wrote in her site:  I won`t give up .haen sut takas. (i will get you back).answer to me quikly,please. I´desperate