Do i deserve a second chance?

ok i have been beating my self up for almost 3 months my hardheaded ness didnt pick up the phone and tell her i was wrong in everyway. i have a gaming addiction in the last 2 months i have been do really good. but i would not pay her no attention and she would walk into a room i woundnt even notice. im dieing with out her. i want her back more then life its self i have quit gaming all together i love her to the very last breath i breath. but she started talking to another guy but i want her back and to prove this is not just a thing im doing what i can to fight for her my qustion is this do i deserve a second chance with her with out her my life means nothing