Strategies To Lose Weight Fast

I read something on here saying gimpshop was a good alternative to photoshop. I have tried the liquify tool in PS and it worked great but I would like to use that or something easier in GS. Any help is appreciated and please no comments about go on a diet if you want to look thinner, i am not fat at all but some of my friends are and i dont want them to look huge next to me…..Thanks!!!