Got this from a joke book,ps is direct translation so may not be rly accurate xP

a fat man entered a slimming centre which claims tat 20kg loss in 3 days,otherwise the $$ will be refunded

after verifying with the terms and conditions,the fat man decided to signed the 3 day contract and decided to strt the slimming session the next day

the next day,the employee took the fat man to a large rm,inside was a girl wearing a bikini,on her neck was a sign:"if u cn catch me then we'll have sex for 3times"

the fat man chased the girl ard the large rm,in the end he succeeded,and he successfully have ... wth her for 3times.he loss 4 kg on tat day.

the 2nd day,the employee took him to another even larger rm,inside was a naked gold-haired girl,on her neck was:if u cn catch me then we'll have ... for 5 times

he succeeded,and have ... wth her for 5times.and loss 6 kg on tat day.

the 3rd day,he tot:no matter how attractive the girl is,i'll nt run at away and w8 for u to refund the $$

so on the 3rd day,the employee took him to a small rm instead,as the man was wondering why,he saw a gorilla inside,on its neck was:if i catch u then we'll hav ... for 10times!!!