this fine phrase is used as a modern day equivalent of 'less is more' in regards to partners
shomer, meaning to guard in hebrew, and mars bar, in direct reference to a well known nougaty chocolatey treat combine in this well known phrase as a means of refraining from physical contact with the opposite sex.
whilst its ancient origins are some what unknown today,it is believed that its original roots are based on a scale of sickness.
one mars bar= perfect. its really nice innit?
two=umm feeling a bit sick now
three= i really dont want another mars bar
four= ewww get it away from me
upto 23 mars bars= the mars bars gang up and kill you.
it is therefore wholly reasonable to draw a conclusion that one mars bar, that special mars bar is best for all involved.
dalia:you just annihilated that clay pigeon,high five shlodawgg!
emily: noooo you cant hes Shomer -ne- Mars Bar.
dalia: oh so sorry.
emily: i just dropped my favourite toothbrush off the side of the empire state building. can i have a hug?
Shleminem: no im Shomer -ne- Mars Bars.