well sakura has probably got a SM fetish... who knows... since she gets beatings nearly everyday from tsunade.. or back at the chuunin exam and now from naruto... and don't forget that she always punshes naruto really hard when she is "upset"

the most amusing part in shippudden was when she got knocked out by kabuto, when naruto made this "blast-wave" thingy...

the sound she made was so cool :P