No matter how many times you read What to Expect When You're Expecting, no one can tell you how it really is for us guys when baby  arrives except for another dad. Between swaddling, diaper duty and her breastfeeding , fatherhood feels like a whole new world -- one with all things beer, sleep and sex-related put on hold. Want to be better prepared? Check out these 20 must-know, guy-to-guy tips from a Dad who's been there.
What tips would you share with a new dad-to-be?