Knee replacement sucks.... They have come a long way with it though. I've had two on each knee, the first were heavy and painful all the time, they finally had to be replaced after about 10 years. The new one (which are close to 10 years now) are very nice. Much more "natural" than before. I am happy with them, I can only imagine how far they are advanced by now.

If you have had any exploratory knee surgery, it'll be equivalent to that.

Good luck with it.