At bedtime last night, I had to make a serious and tough decision:
I could either sleep on the couch, under the pile of dogs who act
as if they own the place, or else I had to defy gravity and raise my
mass upward to the second floor of my house, where my bedroom
is located. I decided to sleep in my own bed, and I overcame the
force of gravity and lifted my entire mass up the stairs to the second
floor. I used my leg muscles to do the job.