I WANT HIM BACK!!!

he met another girl and dumped me. but I want him back that might sound crazy but I don't care!! I need advice on how I could get him back what I should do. this man was the one for me i fell in love with him and I need him around!!! it was so sudden and I think he could still have feelings for me if I just do the right thing or say the right thing to get him back. help me please I'm serious about this I don't want to lose this man!!!!!