Please pray for my health that I am too big for my age!

I am only 35 years old I weight too much, I have some health problem due my weight I want to lose a lots of weight so I can feel better about myself and I never marry or having kids just because of my weight I am lonely and trying to think postive way not negative way and I am not mad at God I am mad at myself for over eating need to stop! doing that or I will get sick myself please pray for me thank u so much!