My parents are coming with us this coming trip and I"m trying to convince my mom to get a wheelchair. She is refusing so far. She's too proud, I believe. However, she has HORRIBLE fibromyalgia. She's in constant terrible pain. And she's tired, always!! My question is this-how tough is it to push around a woman, about 114 lbs, in a wheelchair?? My dad would be pushing. I have twins, who will SOMETIMES be in a stroller.