Bullshit.
15" is close to 20" also, it's *only* 5 inches. 
it is you dumbass
just cuz I have 18 inch arms yours have to be .5 inches bigger don't they

and you're 280 pounds at 6 foot 2 right?

while arnold was like 210 at 6 foot 2 in his movies and 235 on stage
ok there, enough with your bullshit