Need support and advice to stay motivated

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I'm actually in the entertainment industry! I go to Berklee College of Music! I'm trying to get back onto my feet and make a big change for myself with my music and my IMAGE. I lost a lot of confident my first 2 years of college and I gained 15kg. Diabetes runs heavily in my family and I'm not ready to accept a lifestyle like that. Now I'm back home and I would really appreciate some great energy and support/advice from anyone who feels they can help or relate to getting started and making a change as effectively and quickly as possible. Love and Peace, Mufaro