I try to diet

Recently I have fat since 1 years ago.                           Recently I was fat, from about one year ago.
I think weight increase about 15kg.                              I think I gained about 15kgs. One of the
one of factor stop cigarette.                                         factors in my weight gain was that I stopped
                                                                                 smoking cigarettes.
I repeat to rebound.                                                    I rebounded, and gained the weight back (I
I had limit to eat and did sport.                                    think this is what you mean). I had to limit
I success to diet 15kg over.                                         what I ate and do sports. I was successful in
but rebound again then come back normal life.              losing over 15kgs, but I rebounded and
It seems body try to return to the original.                   gained all of the weight back. It seems that   
                                                                                my body wants to return to it's original state.
this time I try to　adopt changing mental tecnique.       This time I am trying to adopt a changing
It name NLP.                                                              mental technique called NLP.
(but I know NLP after I get experience and think)       (I figured out NLP with experience and thought)

Great Job! :)