I did Krav Maga at ~40. I don't think reflexes or stamina were my issue. Mine was recovery. It is a tough sport and one bad day grappling or boxing and I'm i

I did Krav Maga at ~40. I don't think reflexes or stamina were my issue. Mine was recovery. It is a tough sport and one bad day grappling or boxing and I'm in pain for weeks which limits training. It's not a easy sport to do half-way.