She doesn't. If he really likes or love you, then you don't need to change for him. If he wants you to change, he probably isn't the right one for you.
The best way to lose weight is very simply to just do more exercise and work out. But you don't have to lose weight to get a boy friend, you just have to be yourself.
lose weight
Get a more built boyfriend!!
You will lose your present boyfriend and the guy you flirted will be your boyfriend? :)))
Live with it or you will lose him
Lose weight!x
make her lose control
um no that is the normal weight if you are a girl
Eat Healthy
walk and well that's it you at least lose calories
Exercise and eat right
You're 14!!! stop trying to lose weight.