No mistakes and no accidents, huh? We'll have to start calling you Jesus then.
Please note that I said the MAJORITY of flashes.
I have yet to see one posted here which was not fully preventable with proper gear, dress, and behavior. Short of an chair breaking, spilling you backwards and upside down where your cover garment is overturned I have a hard time buying most flashes are anything but lazy packers who are not serious about concealing for whatever reason they may have.