Mate....you need to learn how to stop the bike quickly/efficiently before riding brakeless, its as simple as that, if you can't skid (or equivalent method of stopping quickly) then put a brake on....or two, otherwise incidents like this will end up occuring frequently, and one day it will be more than a bruise.
Mate....you need to learn how to stop the bike quickly/efficiently before riding brakeless, its as simple as that, if you can't skid (or equivalent method of stopping quickly) then put a brake on....or two, otherwise incidents like this will end up occuring frequently, and one day it will be more than a bruise.