You are probably right about the accepting candy from strangers. I would be paranoid myself these days. One of the cutest ideas I saw at our Halloween Costume Party was a group that was sailing together. They each dressed up as a member of the "Gilligan's Island" group. I saw the Captain, Gilligan, Mary Anne, the Professor, Mrs. Howell and Ginger, not sure if the Millionairre, Mr. Howell was in the group. They looked so cute.
Probably the worst example on the cruise was the guy who dressed as Peter Pan. He had on a green elfish looking outfit with a frying pan hanging from his waist in the front. In the pan was a very large fake
p _ _ _ r! (fill in the blanks).