What about me?

Hi I have been told by SS that I can not get any SS because I was a stay home mom & I never paid in. My husband gets SSDI $1157 a mo for a family of 2. SS also told me im not disabled under their guidelines. This is what I do not get. I have to have help even to stand up at times & I think I need a hip replacement because my Dr said I have Osteo in both hips and both knees & my left hip is off the chart. I also was told by 2 foot doctors I have giant fish hook shaped heel spurs & my feet were collapsing & the ligaments pulling from the bone. I also have a sever nerve injury to my right foot/leg/ankel area where I was ran over. In 2010 (last time I saw a dr) I had Blue Cross Blue Shield ins through my husbands job. My Dr & BCBS AGREED im bad off enough they got me a $6,000 electric wheelchair. I can walk but not much or far I cant stand more than 1 min without great pain. I also found out last year I have 4 deteriating disks in my neck when I ended up in the hospital for 5 days. Im 47 5'10 350 or more lbs. How am I not disabled? No one will hire me because I most likely couldnt do the job for pain as well as I have gout & a bad back. I have shortness of breath as well. Im on a cane all the time if I leave home because I can be walking & my left leg just goes out on me & I bout hit the floor. My knees and hip try to pop out of socket it feels sometimes even when sitting. My Dr signed so I could get a permenat disability parking sticker. So how am I not disabled?