Hi need advice girls if u can?

iam 18 stone i
my weight keeps going up and down the reason for that is iam not able stick to the routine to keep going down in weight i stick at it for a week or nearly 2 i loose a good bit and then i get to tempted with fizzy juice and little bits of choclate and it goes up ots always stuck beetween 18 to near 19 all i want is to stick to it and keep going down to become fitter and becoming fit would make the happiest girl ever its the main thing in life that would keep my smiles alive i use to be fit younger as i got older i was going any advice or a plan how i would ne able to stick to going down instead of giving up on my self because of my stress and just stsrted the change any help girls thanks?
Hi need advice girls if u can?
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