Editor's note: The following are questions received from viewers of "Mad Money," seen every day at 6 p.m. EST on CNBC.I'm in the "house of pain" with Lyondell Chemical (LYO). What's your opinion? -- Daniel from New York Jim Cramer: I've not been upbeat on this chemicals producer for some time now. Why hold Lyondell, when you can own best-of-breed companies like Dow Chemical ( DOW) and DuPont ( DD)? Want more Cramer? Check out Jim's rules and commandments for investing from his latest book by clicking here.