Losing weight for the second time?

OK, so I've lost weight back then in 2010. I lost 23 kgs in 4 months! but now I've gained half of the weight that I've lost ,and I don't think that I've got enough will power to help me get through this again this summer.. What do I do? I've tried motivating myself several times but It's no use, I've also tried relaxing sessions on you-tube to motivate me... Help?

I've been wanting to try fad burners, but my friends say that they will change my hormones IF I take those pills. I'm really confused.. I am willing to do what It takes to lose weight but It's extremely hard, I just need a start. ?
Losing weight for the second time?
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