How much spending money for rome?

depends on , on want here. want shopping? want visit museums , famous monuments? want eat fast food, or italian food? in case want go restaurant or cheaper http://en.wikipedia.org/wiki/osteria or http://en.wikipedia.org/wiki/trattoria ? , kind of restaurants, cheapest or more expensive? mean go discos , pubs? , what's accomodation?
need more informations giving advice.
however, think should have @ least 4-500 euro per person. know, in case of emergency.
if want more detailed advices can contact me on private message.

i'm taking boyfriend rome week 21st birthday. wanted check i've got right amount of money, how recommend taking? :)

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