Be afraid -- be very afraid. Office parties are back. A November survey of 105 companies by executive search firm Battalia Winston found that 91 percent were planning to throw a party this year, up from a party-pooping 74 percent last year. If you tend to be that guy/gal who gets him/herself in trouble, Human Resources expert Jessica Merrell-Miller has some good advice. Merrell-Miller is President and Chief Executive Officer of Xceptional HR and Editor and Chief Blogger at Blogging4Jobs.com.