I am heavier now then I was the day I delivered my son

When I had my son almost 5 years ago I weighed 155 lbs. My pre-pregnancy weight was 125lbs. Since I have left the military 2 years ago and my job is not as active as it used to be and I have gained up to 160lbs. I would like to get down to 130lbs before I am scheduled to be married in September 2015. I want to be able to feel good about my self and have the energy level that I used to have. I feel joining this website is a good stepping stone for me. Right now I am battleing with myself on purchasing the fit band to help me monitor everything.