suan may mean ur arm muscel not everying got use strength...try
to do more weights. or go buy rich for ur mother.Works for me last
time..
still got this one, when u s hit, if ur toilet got pails of clothes
in water , lift them to "cake" sai...
but too much will end up lik me arms, lots of veins but in front of
gals, look not bad..lolx...hahahaha 
or play arm-westling wid friends, try to tahan the power, slowely u
can do it.my arm power is last time play wid arm-westling, buy 10kg
rice,work in those metal fabrication place then got today.. or go
those game achards play the punch punch see how many "power" to
train, its a mo-tea-va-tion also...
Gd Luck friend
