I have tipped my bike over tons of times. As far as physically when to stop, there are not really old guys who can't pick up there bike. Maybe that makes them stay out of tricky situations or pay more attention then me.
I am at one for this year. I had a 0 drop year once. Usually 1-3.
In my travelling heart, there's an urge to see
foreign lands and alien birds, hear stories that no ones heard-D.A.D.
Helmets are like rubbers, you know you should wear one, but its so much better when you don't-Me.