it happens, esp if your fit and don't smell bad. if anything, it's incentive to work out and work on your cosplay.
the sailor scouts are freaks.
single milfs (ww, catwoman) are also on the hunt (they usually leave the kids in the kid area).
make sure you have a good room (at convention hotel), stocked with liquor/snacks.
fuck you kungflu for ruining cons. those were great times.