But my time on Mike Casey 's mats has had benefits beneath the surface that I draw on everyday .
On the surface I 'm definitely healthier , fitter and have a ( slightly ) better understanding of the mysteries of Jiujitsu .
My time on Mike Casey 's mats has had benefits beneath the surface that I draw on everyday .
On the surface I 'm definitely healthier , fitter and have a ( slightly ) better understanding of the mysteries of Jiujitsu .