> While thinking what to say, I become aware that I have massive boner.
> I unbuckle my jeans and let them drop to my ankles.
> I let Sarah glance at my bulging underpants before I drop the mas well.
> She grabs me from my butt and shoulder.
> I have to stand on my toes.
> She seems to have lowered the back end of her spider-like abdomen to the floor, raising her front side.
> I grab my dick and manage to guide it to her slit.
> Brief terror surges through me as her womanhood feels like it's swallowing my manhood like a prey.
> I'm relieved when my dick is suckled and not chewed.
> Feels so good.
> Sarah moans contently. 
> I embrace her and we kiss.
> My body goes limp and warm.
> I don't bother trying to stand up myself.
> She grabs my pelvis and repeatedly pounds me into her.  
> I've been doing my best to last as long as possible.
> It's probably a miracle I've lasted this long.
> I spray my seed inside Sarah.
> She lets out ecstatic cry.
> My state of limpness ascends from "I don't want to move" to "I can't move."
> "I did my best, how did you feel?" I ask.
> "More... I want more." >She responds as she resumes pounding me.
> My balls feel like they're sucked dry already.

What to do?