My mother was diagnosed with stage 4 lung cancer Jan. 19, 2013. The doctors gave have a couple of months to live, 6 months to live if she's lucky. Well on Feb. 23, 2013 she passed away. I'm 37 years old and I was her only child. My girlfriend was helping me cope and deal with the loss of the most important woman in my life. Our relationship was damn near flawless. I had planned to propose to her on Christmas day of this year. But on the night of May 15, 2013 she had a tragic car accident…