#1 I'm too old.
#2 My bones are too Old
#3 I've had a nephrechtomy
#4 I've had a colonectomy
#5 I've had a major vein replacement in my Leg.
#6 I was layed up in a major nursing home for 3 months.
#7 I was layed up in another nursing home for 6 months.

I spent a year in nursing homes and hospitals!