How to motivate myself on dieting and exercising?

Anonymous
Ok so I live in a place where women can't really drive, and in this moment I have no driver so he could take me to the gym,

And from boredom , I only eat, and I'm gaining weight , and everyone around me are the same, I was 58 kg ,went to 66 kg now

Im 70 kg and don't wanna gain more weight or else ill get depressed and won't eat until I'm a skeleton ( that happened before and got really sick) ,anyways I wanna lose weight , help :(
How to motivate myself on dieting and exercising?
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