Nannie is losing it....the weight that is!

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Hey y'all, I'm a 41 yr old first time grandmother from the South. I stand exactly 5 ft 2.5 in. and weighed in @ 243 last Saturday. I don't want to be the typical grandma who is just as round as they are tall. So here I am trying out MFP for the first time. I need some folks who are in the same shape as me (immediate goals of losing 50+lbs) to help keep me motivated and on point!
Ps... Idk how to add friends! Help lol