they do it for mind games. Reason f or conditioning is to separate the weak from thje strong minded, DISCLIPLINE BABY! Our coach used to make us practice twice a day. ONce atb 530 in t he morning and once in the evning. A few years latre i asked him what the purpose for making us do the morning practices were. His answer? Well it was because he wnate to teach us discipline and thats about it. So thats it folks!