What shoudl I do??

What shold i do? I regret EVER saying no to this guy. & I dont know how to get him back.. I SO scared to be like od hey you wanna go out. and he be lilke uuhhh you dumped me && all this stuff you know? He gave me another chance && I think it was my last...Uggh. I hate it. But I love him. && I dont kno what I shuold do. He already has anothor gurl. Atlest I think I dont know really but i tihnk so. Is tht a good enough excuse to back off?

hummmmmhuuuuuummmhuuum. What to do...what to do...