if you want to get yourself psyched enough to do it then just clear your head. think about 1 or 2 things at the absolute most and go for it.
so for a 360 i think "set" and "pop"
for a rail id recommend "pop" and "hit with both feet at the same time"
shakespeare had it right a long time ago
"thus conscience doth make cowards of us all, and thus the native hue of resolution is sicklied o'er with the pale cast of thought"
think about it...