Hey! Tips/help/friends?

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Hi! I'm an 18 year old girl who's looking to loose 40 pounds. I don't know if it's all that relevant but I'm also 6ft tall. I have high blood pressure because of my weight. I've stressed eaten and put on around 70 pounds during my last two years of high school, after having to quit sports and taking a desk job. My end goal is to loose all of the weight I've put on, which at this moment is 71 pounds. Short term goal is to lose 40 lbs. I'd really like to be in a body I'm more comfortable with before leaving for college next August.
Anyone who has any advice or tips for me! Or that just wants to be friends! You should definitely send me a request or message me.