Today's letter is " X ." Last week , I told you that the husband and I decided to have some fun with the x mas presents for each other. E x aggerating the use of the mathematical terms, it went like this: $10.00 = total e x pense we each would spend x ≥ 5 presents (In other words, 5 or more gifts) How did we do? E x cellently! X -wise, we found that x = Si x e x ceptional gifts! We shopped downtown, going in opposite directions. Amazingly, we each finished before the time allowed: 60 minutes – x minutes = 45 minutes My e x penses: $9.95. At the thrift store, I found a Michael Crichton novel and a booklet about Oregon caves, which was published in the era when the husband worked there during the summers of his college days. Because the husband is a visual artist, I purchased water colors and a couple of brushes at the art supply store. ( Hint, hint, the husband. ) At our favorite drugstore, I bought Post-it notes for his note-taking and a box of Milk Duds for the ne