Need Advicee from people who have done this before

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NEWBIE: Joined in 2012 but never started

Turned 50 in April. Want to make the change and be fit and ready for the next 50. Just let myself go and now get discouraged as I know it is not going to be easy and it will not happen overnight. I am sick of spending money looking for a quick fix. So for me this is it. Been good for the first 3 days since I started and am determined. I would just like to chat with someone who has already started the journey for a little help and advice.I need a MFP friend