Need a boost

Hi, I am hoping to get inspiration and encouragement here.
Since my 20's when I had 2 children I have had weight problems, gradually adding the kilos and then levelling out for a while. That was 40 years ago and I have had spells where I was able to keep it fairly stable. I dont have a bad diet, but I always have to push myself to exercise, and with knee problems its hard to do much more than walk.
Since I had a bad fall in October, I became scared of walking and have basically hibernated since. These 3 months have seen me creep up to 72.5 kilos and at 5 feet 2 inches thats uncomfortable.
My sisters who dont live near me have recently started the paleo diet and are encouraging me to try. So, here I go again, and hope with their encouragement and folks on this site, I can get back into walking and motivate myself to keep going.
I am of an age where my health is more important to me than my image, and my bikini days are definitely over, but hey! we all like to look and feel good.
Happy to be here. Hello !!!
Eileen