Mr. and Mrs. W, both age 42, have been married for 8 years. They reside in a large metropolitan community located in a western state. Mr. W has been employed as a foreman in a large lumber business that sells building materials to local contractors. He has been steadily employed by this company for the past 18 years, having worked his way up from being a yard hand to foreman. Mrs. W works part-time as a cashier at a local supermarket. Mr. W has two children from his previous marriage, 16-year-old twins, who live with his former wife but for whom he is financially responsible. Mrs. W has a 10-year-old son from her previous marriage who lives with them along with the ...