Don't get old. My knee and hip is funked up from sliding on a bathmat of all things.

I was over at my brothers and used the restroom. His bathmat doesn't have any backing on it to prevent slippage. It was also sort of crumpled up. My left foot was on it and i had turned to grab a towel. When i turned the mat slid taking my foot with it twisting my knee and popping my hip. Today im stiff and my knee aches and bending it isn't pleasant.