It's debatable. I have carried around 15-30lb boxes for work before.
My arms do look like this pic>>6704255>>6704477
*I thrust faster and just as hard*
*I pull your head into my thrusts, and push it off as I pull out*>((Fug I feel so gay and submissive right now...))
(I feel gay and very dominant right now)>>6704481
I spy someone that might wanna join in on the action.