letting the stress win

well this is my first blog so here i go i work a job in the food industry i do sales for the company but some days i do even more by working in the warehouse and some days i come home so tired and really stressed from alot of b/s from work and i let it get the best of me so what do i do? i sit on the couch and eat and watch tv and then i feel bad when i go to bed because i let an whole evening go by with even trying to work out. i know i have alot of weight to lose but i get so discouraged and just want to give up i get teased alot by my brothers and some of the guys at work by being called large marge or shamu and it tears me up inside that i just want to run away and cry and i bring that stress home with me and sit and want to cry. but i know nobody can change the way i look and the way i feel but me