Attempting to avoid having a stiff reaction in one's private parts
Whilst trying it out, I'm putting my mind strongly on preventing any form of unwanted sensual excitement beneath the lower half. With this endeavor, I am resolved never succumb to whatever spontaneous physical response that may occur.
In an effort to curb any unintended bodily reaction, I am actively battling to abstain from having an overwhelming arousal in that region while this given instance. By way of sheer willpower, I attempt to suppress any desires relating to sexual arousal.