New to MFP world...

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Hi, I am a 48 year old who does not feel like a 48 year old. I quit smoking (after more than 30 years) last year and have seen a big weight gain. My main motivation, if we're being honest here, is simple vanity. I can not stand the way I look and I am miserable about it. I joined this, ordered a fitbit and a joined my local gym. So, need a bit of accountability - and a buddy - to get me going...