definitely need more details...
I also can't imagine why you would need to weigh in the 80's?
My wife is 5'0" like yourself. She is right about 105 and she is thin and fit. She looks wonderful, my wife would look anorexic is she was 83 lbs.
James 1:16-17 ESV
Do not be deceived, my beloved brothers. Every good gift and every perfect gift is from above, coming down from the Father of lights
With God's help...Mens sana in corpore sano