213pds at 5'6! Help Me!?

im so unhealthy, i used to be 150ishy pounds when i started h/s and then my boyfriend of two years, cheated on me w/ my "best friend" and my grandpa died && my father was sent to iraq not once, twice in less than three years, during those three years, at the middle of my senior year i weighed a whoppin 250pds! im stuck at a rut and i cant seem to get myself down to the 150pds i desire so badly! i work odd shifts, i never get to go home when my shift ends, i usually end up having to work an extra two hours and when i get home im tired & its usually late, around 10pm and i usually have to get up around 9 to get ready to head off to work, i dont have a big yard, im surrounded by neighbors, walkin on the road wouldnt be safe, i get one day off during the week and its usually a tuesday. i need things to do to help me loose weight. also i have hormonal imbalance && i dont have periods, i used to have pills i had to take but i stopped taking them (im goin to get put back on them soon!