Striving to refrain from having a stiff swelling inside one's genitalia
Even though attempting it, I'm putting my mind strongly on stopping any variety of unwanted sexual arousal beneath the midsection. By this endeavor, I am resolved never yield to whatever uncontrolled corporeal manifestation that could emerge.
In a bid to control any unintended biological reaction, I find myself actively battling to avoid having an involuntary erection within while this specific time. By way of sheer self-control, I strive to stifle any impulses connected with sexual stimulation.

Why Can't I Get or Keep an Erection WebMD