knee replacements and motorcycle riding

I'll try to explain this the best I can, since I've been getting several questions about it.  
Cliff and I have never had a wreck on the Gold Wing, never.  However, we've dropped it several times, I'd say an average of three times per year.  
Gold Wings are heavy beasts that don't turn real sharp.  So on occasion, say if we ended up on a dead-end road and had to turn around in the road, Cliff has dropped the bike.  We just pick it up and head off, hoping nobody was watching.  
Quite recently he parked in a parking lot that wasn't very level.  The bike started to go down before we got off, and he said, "Put your foot down and help me."  
I did, and we got the motorcycle picked up.  Now, this is no big deal as long as a person has the parts she was born with.  But you see, that's my left foot and leg we're talking about, so if I were to put all that weight on my left leg with an artificial knee, real damage could be done.  
It isn't wrecking I'm scared of; Lord knows, if we had much of a wreck, we'd probably have a lot more to worry about than my knee.  It's dropping the bike when it's at a stand-still (or turning sharply) that could wreck my knee.  
If you damage a knee that has a replacement, it very often can't be fixed at all.  You just can't always put Humpty-Dumpty together again.  
If we could figure out a way to afford to have our motorcycle made into a trike, I'd be a happy rider again.  
Believe me, I'm pondering that and hoping I come up with something.  


On another note, my cordless mouse keeps losing contact with my computer.  So I get another mouse and use it; then that mouse loses contact with my computer and I switch back.  This is the nuttiest thing I've had happen on a computer lately.  It isn't a battery problem, I switched batteries.