Regardless of whether it's your beau, your brother or your friend, it's safe to say that guys are arguably much more difficult to throw a party for than girls. There are so many variables -- "what's cool?" "what's fun?" "will he even like this?" are all real questions we've all considered when trying to plan a party for a man. To get you started, we've surveyed guys and chosen a few party themes that are sure to be successful.