I Want to Finish College

I want finish college I have tried over and over again so many things have happened. I took care of my mom. My mom passed away now I take care of my dad. His health has been up and down. I turned down a college because it was away to much I didn't want to be in that much debt I was trying to very smart about it. I don't know I have some college hours I"m 31 feel like failure or incomplete like I need that college degree to feel complete? Why do I feel that I need it? Why can't feel content I have accomplish other things been a CNA have my phelbotomy and I was a truck driver for awhile. I"m lost feel down All I could think about since i finished high school is I want to finish college. What do I do? I"m just tired of trying I feel like its not meant for me to finish