Reflection time at the gym

I've started back going to the gym, only this time I started going to a gym closer to my apartment. The first person I noticed at my new gym was an older lady who is perhaps in her late 50's. She seems to be there everyday. Her hair is long and a ratty shade of brown. It looks like it's been carelessly chopped off with scissors and hangs at her waist. Her legs are thin and frail looking but she has a thick waist.
I've been watching her workout routine and she seems to approach working out as an act of leisure. She strolls on the treadmill and barely moves her legs on the recumbent bike. At first I was angry at the fact that she was occupying machines and not really making an effort to work out. Then I noticed that she was there everyday, even on Saturday nights. And it occurred to me that maybe she was lonely.
I constructed a story in my head that she was a recently widowed housewife whose children had left the nest. I pictured a lonely existence of T.V. dinners and empty nights. I thought that maybe the gym was a distraction for her. Something to take her mind off of her hollow existence.