Pressure will always reveal your weaknesses: I am often asked by what they need to work on – the best way to assess what you need to work on is to spar with a partner who can subject you to severe pressure. Just as water poured into a vessel will immediately reveal a leak, and a great will immediately reveal a weak link in a – so too, pressure will break your at its weakest point and tell you immediately what you need to work on. I don't recommend subjecting yourself too often to great pressure, but it's definitely something you need periodically to show you were you need to do the most work for the .